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- It means to give the most-needed and timely aid. 它的意思是给予最需要的及时的帮助。
- You may leave your key at the reception desk. 你可以把钥匙留在服务台。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- He's locked in and nobody knows where the key is. 他被锁在房间里，没有人知道钥匙在什么地方。
- She used slides as a teaching aid. 她用幻灯片作教学工具。
- Reading is the key to the treasure house of ideas. 读书是打开知识宝库的钥匙。
- They offer financial aid with no strings attached. 他们无条件提供财务援助。
- My friends bailed me out with economic aid. 我的朋友们从经济上帮助我使我脱离困境。
- The collection is in aid of the blind. 这笔募集的捐款是用来救济盲人的。
- I looked everywhere for my lost key. 我到处寻找我丢失的钥匙。
- He solicited aid from his close friends. 他请求挚友相助。
- She inserted the key into the lock. 她把钥匙插入锁中。
- The key turned halfway and then jammed. 钥匙转了一半就卡住了。
- The regime had been propped up by foreign aid. 该政权是靠外国援助维持著的。
- The key to the whole affair was his jealousy. 整个事情的症结是因为他忌妒。
- The aged peasant is advancing slowly with the aid of a cane. 那老农凭借手杖的帮助，慢慢地往前走。
- Do you know the key to the problem? 你知道这道题的答案吗？
- Your scatty son has forgotten his key again. 你那儿子丢三落四又把钥匙给忘了。
