听一下今天的“工程杰作”的播客！
我只有想到这些压力，才会感到焦虑。我们听一下今天的单词吧？
Well, I feel anxious just thinking about all that stress. Can we hear today's words again?
好吧，大脑细胞真的很多啊。好了，我们听一下今天学到的单词吧？
Well, that's a lot of brain cells. OK, can we hear the words we learned today?
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