🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
古鸟亚纲
🗣️ 情景例句
How big is your family?
你家有几口人？
It's up to you.
由你决定。
What's that over there?
那边的是什么呀？