Arsellic acid
[医] 鳕肝脂酸
🧩 词语组成解析
🗣️ 情景例句
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
The study of custom can be profitable only after certain preliminary propositions have been accepted,
只有在某些基本的主张被接受下来、同时有些主张被激烈反对时，