Telluryl
氧碲基
🗣️ 情景例句
Things are looking up.
情况在好转。
I told him to come in and wait here.
我告诉他进来在这里等。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，