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1·This is the exact opposite of a lock-and-key model, Suslick says.

“同锁和钥匙的模式相反，”Suslick说。

2·The molecule at the heart of the lock-and-key mechanism is a protein called CTCF, say the scientists in a paper published in the journal Genome Research.

科学家发表在《基因组研究》杂志的文章说，锁钥机制的核心分子是一个叫做CTCF的蛋白。

3·The resulting translucent plates were found on visual inspection to have a secure lock-and-key fit on the original cadaver spine, and the techniques used were robust and reproducible.

通过目测可见合成的半透明板很好的和尸体的脊柱相吻合，这种技术具有可重复性。

4·Give away any food you have on hand, or lock it up and give the key to the neighbours.

把你手头的食物分发送人，或锁藏起来，把钥匙交给邻居们。《柯林斯英汉双解大词典》

5·He took a small key from his pocket and slowly inserted it into the lock.

他从衣袋里掏出一把小钥匙，然后缓缓地将其插入锁孔里。《柯林斯英汉双解大词典》

6·He rammed the key into the lock and kicked the front door open.

他猛地把钥匙插进锁里，踢开了前门。《柯林斯英汉双解大词典》

7·The key rasped in the lock and the door swung open.

钥匙在锁孔里发出刺耳的刮擦声，门猛地一下开了。《柯林斯英汉双解大词典》

8·We keep our valuables under lock and key.

我们把贵重物品锁起来收好了。《牛津词典》

9·I will not rest until the murderer is under lock and key.

杀人凶手一天不关起来我一天不罢休。《牛津词典》

10·You can also find the power button and lock screen key on this squiggly cable, as well as another microphone for noise cancellation and improved voice quality.

这根弯弯曲曲的线缆上还能找到开机键和锁屏键，以及另外一个麦克风，用于噪音消除和提升语音质量。