Perforans
[医] 穿通的(肌或神经)
🗣️ 情景例句
I see. What time will she come back?
哦，那她几点会回来？
No.
不。
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。