D. n. b.
[医] 二硝基苯
🧩 词语组成解析
abbr. 名词
🗣️ 情景例句
Where are your manners?
你的规矩哪里去了？
Good medicine tastes bitter.
良药苦口。
he had great difficulty in controlling the car because a tyre burst during the first run.
但他很难把汽车控制住，因为在开始的行程中爆了一只轮胎。