🧩 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
Let me know if you need anything.
假如你需要什么就通知我。
I don't know him well.
我跟他不熟。
Past experience has taught us that certain accomplishments are beyond attainment.
以往的经验告诉我们有些事是办不到的。