🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
软骨鲨目
🗣️ 情景例句
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
How is the weather today?
今天天气如何？
They're said to be very good. What time does the performance start?
据说他们很棒。演出什么时候开始？