🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
n. [植] 鸭跖草亚纲
🗣️ 情景例句
Yeah.
是的。
The fire is the test of gold;adversity of strong man.
烈火试真金，困苦炼壮士。
He was a famous professor of physics.
他是一位著名的物理教授。