D. n. b.
[医] 二硝基苯
🧩 词语组成解析
abbr. 名词
🗣️ 情景例句
You're welcome anytime.
欢迎你随时来玩。
Soon learnt,soon forgotten.
学得快，忘得快。
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？