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n. 分层盘旋飞行
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
It's ten minutes to four.
现在差十分四点。
I can't make this machine run properly.
我无法使这部机器正常运转。