Classes
n. 级别, 阶级（class复数形式）
🗣️ 情景例句
It's important
这是很重要的
It's a poor mouse that has only on hole.
鼠只有一洞，必先把命送。
She serves as an impressive reminder of the great ships of past.
它给人们留下深刻的印象，使人们回忆起历史上的巨型帆船，