Chrysenic acid
[医] ┌酸, 苯萘甲酸
🧩 词语组成解析
🗣️ 情景例句
Did you finish the ...?
你完成了……吗？
You can't make something out of nothing.
巧妇难为无米之炊。
We should save unnecessary expenses.
我们应节省不必要的开支。