Interation
n. 交互图标, 交互影响
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
It's nothing.
小事情。
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。