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电机工程师\\n[化] 对映体过量
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
It is better to be alone than in bad company.
无友要比交坏友好。
I left at 6:00 so that I could catch the train.
我六点钟出门，以便赶上火车。