Classes
n. 级别, 阶级（class复数形式）
🗣️ 情景例句
It is not as difficult as it looks.
这并不像看起来那丢难。
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
Where's Wuhan? Do you know?
你知道武汉在哪吗？