我害怕如果忘词了或说了一些愚蠢的话，或者如果我声音颤抖或脸红，会显得很傻。
I am afraid I would look silly if I forget a word or say something stupid or if I shake or turn red.
如果是的话，你现在应该在墙下颤抖，就象你看到死神那样。
If you do, you should be shivering under a wall by now, as if you have seen the reaphook of the Death himself.
让我们思考一下：如果一只蜜蜂正在蜂巢里四处行走，突然一阵寒风打到了蜂巢，这只蜜蜂就会浑身颤抖来发出更多的热量，并在这个过程中为邻近的新孵出的蜜蜂带来温暖。
Think about a honeybee as she walks around inside the hive. If a cold wind hits the hive, she'll shiver to generate heat and, in the process, help to warm the nearby brood.
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