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v. 再掉下, 再投下
🗣️ 情景例句
We have to communicate with them more by sending lobbyists.
我们必须通过派遣更多的公关人员。
Why are you so busy?
你为什么这样忙碌？
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