🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
异担子菌类
🗣️ 情景例句
by Robert Frost.
Robert Frost作。
Opportunity only knocks once.
机不可失，时不再来。
That's a great idea!
好主意！