🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
n. [植] 菊亚纲
🗣️ 情景例句
and they lived in New York.
而他们住在纽约。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
When will the train leave?
火车什么时候开？