Prevalency
n. 流行
🗣️ 情景例句
Have a smooth flight.
一路顺风。
When did you graduste?
你什么时候毕业的？
a ticklish business which is achieved with the aid of two tame elephants roped to the captive on either side.
这是一件棘手的事，需要在它两侧拴上两头驯服的大象才能完成。