Cupulae
[医] 顶
🗣️ 情景例句
I know the company well. It's big.
这家公司我很清楚。是大公司。
Give my best to your family.
代我向你们全家问好。
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。