🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
原哺乳亚纲
🗣️ 情景例句
How'd you guess?
怎么晓得？
I work hard all morning.
我整个早上努力工作。
and comforted by the thought of the help he was bringing to his friend,
想到能对朋友有所帮助，他感到欣慰，