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- Unit must have lock on doors 每个单元门上必须有锁
- We must put a new lock on the front door. 我们得在前门上安一把新锁。
- If mini-marts are open 365 days a year, 24 hours a day and 7 days a week, why do the doors have locks on them? 如果小型超市一年365天,一天24小时,一星期7天都开门,那为什么大门上还要安锁呢?
- The protective devices required for the operation of the machine unit must have been installed. 机组运转所需的保护装置必须事先安装好。机器操作的的保护装置必须已被安装好。
- In condensation polymerization, each monomer unit must have at least two functional groups. 在缩聚反应中,每个单体至少要有两个官能团；
- Does the back door have a lock on it? 后门有锁吗？
- The cold has frozen the lock on the car door. 严寒已把汽车的门锁冻结起来。
- Does the door have a lock on it? 门上有锁吗?
- The back door have no lock on it. 后门没有锁。
- Carol: Oh my goodness, I must have locked him out. Oh Jeffrey, I'm sorry, I guess I just forgot about you. 卡罗尔：噢，天那，你看我把他锁在外面了，噢，杰夫，真对不起，我好像已经把你给忘了。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- If the lights were on, they must have been at home. 如果灯亮着，那么他们一定在家
- Obvious physical security methods such as locks on doors, cables, locked cabinets, and video surveillance are all good ideas, but beyond the scope of this document. 很显然,物理保护方法,例如给门,电缆上锁,将设备锁在柜子里,视频监控都是不错的办法,但是这些超出了本文的范围。
- The lock on the door is rusty and won't open. 门上的锁锈住了。
- You must have mistaken her for her sister. 你一定是把她误认为是她的姊妹了。
- Mr. Unwin fitted a new lock on the door. 安文先生在门上装了一把新锁。
- Alec must have drunk an awful lot. He is lying on his bed, dead to the world. 亚历克一定是太贪杯了，他现在躺在床上睡得像死人一样。
- Some doors have locks which automatically lock the doors when we close them. 有些门上的锁在关门时会自动把门锁好。
- Sorry. I must have got the wrong area code. 对不起，我一定是拔错地区号码了。
- He tried to fit a new lock on the door . 他试图给门安个新锁。
