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n. 后卫
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
I wish I could repay you somehow for your kindness.
我希望我能报答你你的善意。
I reflected that there must be a great many local people besides myself who wished to take advantage of this excellent service.
我想除我之外，想利用快车之便的也一定大有人在。