很多人只知道必须的英文是must，其实必须的英文不止这一个。本文是可爱的小编燕子给大家收集整理的必须用的英文是什么（通用8篇），仅供参考，希望能够帮助到大家。
1. For her, books were as necessary to life as bread.
对她来说，书就像面包一样，是生活必需品。
2. Now there is a dawning realisation that drastic action is necessary.
现在人们开始意识到必须采取断然的行动。
3. Fry remaining peppers, adding a little more dressing if necessary.
用油炸一下剩下的辣椒，如果需要再加点调味汁。
4. It's only necessary to use just a very small blob.
只需要很小的一滴就可以了。
5. We will use air power to protect UN peacekeepers if necessary.
必要的话我们会动用空军保护联合国维和人员。
6. Carbon dioxide is a necessary result of the oxidation of carbon compounds.
碳化合物氧化后必然会产生二氧化碳。
7. The government says the detentions are necessary on national security grounds.
政府称，出于国家安全的考虑，将这些人羁押是必要的。
8. It's often necessary to go over the same ground more than once.
常常有必要对同样的内容不只一次地进行检查。
9. It has been found necessary to make some cuts in the text.
发现有必要对该文本进行一些删节。
10. A clearly quantifiable measure of quality is not necessary.
没有必要对质量进行明确的定量测量。
11. It is, however, necessary on occasion to work outwith these hours.
然而，有时候在这些时点之外也需要工作。
12. We are willing to authorize the president to use force if necessary.
我们愿意授权总统在必要的时候使用武力。
13. He had the ruthless streak necessary to carry him into the Cabinet.
他具有进入内阁所必需的冷酷性格。
14. Protective measures are necessary if the city's monuments are to be preserved.
要保存城市古迹必须采取一些维护性措施。
15. It is necessary to distinguish the policies of two successive governments.
分清前后两届政府的政策很有必要。
1. You must have noticed how tired he sometimes looks.
你一定注意到他有时候显得特别疲惫。
2. "His memory must be completely back, then?" — "Just about."
“这么说，他的记忆一定是完全恢复了？”——“差不多。”
3. There must be any number of people in my position.
一定有很多人处在我这种境况。
4. I must have driven past that place thousands of times.
我得有上千次开车经过那里。
5. "You must come to Tinsley's graduation party." — "I'd be delighted."
“你一定要来参加廷斯利的毕业聚会。”——“我很乐意。”
6. Builders must fasten down roofs of newly-built homes more securely.
建造工人必须把新建房屋的屋顶固定得更牢靠些。
7. "You must be expecting a young man," she teased.
“你一定是在等哪位小伙子吧，”她揶揄道。
8. It must have reinforced my determination to blend into my surroundings.
这势必让我更加下定决心融入周围环境。
9. That's why I must trust you to keep this secret.
那就是为什么我必须得相信你会保守这个秘密的原因。
10. Occasionally a patient is so debilitated that he must be fed intravenously.
偶尔会有病人过于虚弱，必须通过静脉注射进食。
11. The uncertainty created by this situation must be confusing for you.
这种局面所造成的不确定性肯定让你感到困惑。
12. Vintage ports must be decanted to remove natural sediments.
上等的波尔图葡萄酒必须倒入其他容器中以滤除自然沉淀物。
13. Your decision must be translated into specific, concrete actions.
你的决定必须转化为具体明确的行动。
14. Some thought must be given to the method of validation.
一些想法必须通过验证法加以证实。
15. The rules state that samples must be enclosed in two watertight containers.
规则要求样本必须装在两个水密容器中。
n.使用； 使用权； 功能；
v.使用； 运用； 消耗； 服用
1. Recent, more dramatic use of CGI was seen in "Walking With Dinosaurs".
在纪录片《与恐龙同行》中可以看到最新的、更加生动的电脑特效技术。
2. I use the short-wave radio to get the latest war news.
我用短波收音机收听最新的战事新闻。
3. He has said he will use all the weapons at his disposal.
他放出话说他将使出十八般武艺。
4. I could use some money, Sarah told him flatly.
萨拉态度坚决地告诉他，我可以用一部分钱。
5. We were forbidden, under pain of imprisonment, to use our native language.
我们被禁止使用母语，违者将被关进监狱。
6. Use your lunch hour to have a nap in your chair.
利用午饭时间坐在椅子上打个盹吧。
7. The patient is sedated with intravenous use of sedative drugs.
静脉注射了镇静剂后病人安然入睡。
8. Use your mouse to drag the pictures to their new size.
用鼠标拖动图片，将其调整为新的尺寸。
9. Use recorded delivery for large cheques or money orders.
对于大额的支票和汇款单要使用挂号邮寄。
10. There's no use you asking me any more questions.
你问我再多的问题也没有用。
Must be used
必须用matlab
必须用防护屏Must shield
必须用防护装置Use protective devices
1.must;
2.have to;
3.be obliged to;
4.necessary gotta
1. Renewable sources of energy must be used where practical.
必须在可行的地方使用可再生能源。
2. If low lands must be used for the bean crop, they should be ridged.
如果低地必须用于种植豆类作物， 就必须把地整成交替的垄和沟。
3. When forested land must be used, all stumps should be removed.
如不得不用林地时， 所有伐桩都要消除。
4. It must be used with some reservation.
使用该物时一定要谨慎。
5. Controls must be used appropriately and judiciously, like all elements of a good user interface.
就像所有好的界面元素一样， 控件的使用也必须是恰当且合理的。
6. For the numerical solutions of these problems large electronic computers must be used.
为了得到这些问题的数字解，必须使用大型电子计算机。
7. Once the desired specific gravity is established, the same strength must be used henceforth.
所需的比重一经确定， 以后就必须使用同一浓度的酸。
8. M itsurugi Swordsmanship must be used to protect the innocent, right?
把御剑流用来保护百姓的时候吧！
9. After shaves or other fragrances must be used in moderation.
避免使用有刺激气味的须后水或香水。
10. Parallel library function, the parallel port control library must be used.
并口库函数， 对于并口控制时必须用到的库。
aux.必须； 必然要； （做出逻辑推断）； （表示坚持）
n.必须做的事，必不可少的事物； 葡萄汁； 霉臭； 麝香
vt.& vi.（表示必要或很重要）必须； （提出建议）应该； 得； （表示很可能或符合逻辑）一定
adj.不可或缺的； 狂暴的；
1、 You must have noticed how tired he sometimes looks.
你一定注意到他有时候显得特别疲惫。
2、 "His memory must be completely back, then?" — "Just about."
“这么说，他的记忆一定是完全恢复了？”——“差不多。”
3、 There must be any number of people in my position.
一定有很多人处在我这种境况。
4、 I must have driven past that place thousands of times.
我得有上千次开车经过那里。
5、 "You must come to Tinsley's graduation party." — "I'd be delighted."
“你一定要来参加廷斯利的毕业聚会。”——“我很乐意。”
6、 Builders must fasten down roofs of newly-built homes more securely.
建造工人必须把新建房屋的屋顶固定得更牢靠些。
7、 "You must be expecting a young man," she teased.
“你一定是在等哪位小伙子吧，”她揶揄道。
8、 It must have reinforced my determination to blend into my surroundings.
这势必让我更加下定决心融入周围环境。
9、 That's why I must trust you to keep this secret.
那就是为什么我必须得相信你会保守这个秘密的原因。
10、 Occasionally a patient is so debilitated that he must be fed intravenously.
偶尔会有病人过于虚弱，必须通过静脉注射进食。
释义不得不，只好； 只得； 必须； 不得已
1、 You have to do everything you can. You have to work your hardest. And if you do, if you stay positive, then you have a shot at a silver lining.
你需要尽你所能，最大限度地去努力。只要你这么做，只要你能保持乐观，你就会看见乌云背后的幸福线。
2、 You have to pay your outstanding bill before joining the scheme.
在参加该项目之前必须结清余账。
3、 You have to take capital appreciation of the property into account.
你必须将该处房产的资本增值考虑在内。
4、 You have to know where to stand for a good viewpoint.
你得知道站在哪里观察角度比较理想。
5、 You have to admit that you are, in fact, in difficulties.
你不得不承认，你事实上是陷入了困境。
6、 He would have to accept it; there was no other way.
对此他将别无选择，只有接受。
7、 All senior officers involved in the coup will have to be removed.
所有参与政变的高级官员都将被免职。
8、 You have to be careful what you say on telly.
在电视上说话时你必须很谨慎。
9、 England will have to settle for third or fourth place.
英格兰将只好接受第三或第四的排名。