Galef
[人名] 加利夫
🗣️ 情景例句
A little going-away present.
一个小小的临别礼物。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
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。