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n. 小提琴状的东西
🗣️ 情景例句
Break a leg!
祝贺！
For one thing,I've got to drop by the bank to get some money.
首先，我得去银行取一些钱。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子