Rayl
n. [物]瑞利(比声阻抗的单位)
🗣️ 情景例句
Put your hands up.
把手举起来。
Some people are too conscious of how they dress.
有些人对自己的衣着过于考究了。
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。