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- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- Reading is the key to the treasure house of ideas. 读书是打开知识宝库的钥匙。
- The key to the whole affair was his jealousy. 整个事情的症结是因为他忌妒。
- Do you know the key to the problem? 你知道这道题的答案吗？
- His book presents a new approach to the difficulty. 他的书对于该项难题提出新的处理方法。
- A solution to the difficulty usually suggests itself to me if I go to bed thinking about it. 如果我睡觉时思考一下，往往就能想出一个解决困难的办法。
- A protease is key to the replication of the virus. 蛋白酶是阻止非典病毒变异的关键物质。
- Herein lies the keys to the questions. 里面包含着问题的答案。
- Iran was key to the balance in the Persian Gulf. 伊朗是保持波斯湾平衡的关键。
- It is the key to the understanding. 这是理解的关键。
- Vicksburg was the key to the lower Mississippi. 维克斯堡曾是密西西比河下游的门户。
- He applied his mind to the difficulty. 他用心解决这个困难问题。
- He applied his mind to the difficulty . 他全力以赴克服这一困难。
- I have lost the key to the house. 我把屋子的钥匙丢失了。
- He applies his mind to the difficulty. 他专心思考这个问题。
- Betty: Can I have the key to the front door,please? 贝蒂：我可以带前门钥匙吗?
- Here is the key to the listening exercises. 这是听写练习的答案。
- He has lost his key to the door. 他毛了门的钥匙。
- We do not close our eyes to the difficulties. 我们并非无视这些困难。
- We do not shut our eyes to the difficulties. 我们并非无视这些困难。
