Underclass
[ ['ʌndəklɑ:s] ]
辅助 Assistant
n. 低年级学生
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
Please come in.
请进。
Ducks know how to swim when they are born.
鸭子天生会游泳