🗣️ 情景例句
Don't you think you ought to call Pete
你不觉得应该打个电话给Pete
Don't break the rules.
不要违规。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。