Underclass
[ ['ʌndəklɑ:s] ]
辅助 Assistant
n. 低年级学生
🗣️ 情景例句
Thanks.
谢谢。
Jerry listened to the adventure program on the radio.
杰瑞在收听收音机的冒险节目。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？