🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
🗣️ 情景例句
Danger.
小心，危险。
Oh well, you'll just have to remember their names.
好吧，你们只好记住他们的名字了。
When is the most convenient time for you?
你什么时候最方便？