Dnoc
[医] 二硝基邻甲酚
🗣️ 情景例句
why you have so many problems with math.
为什么你在数学方面有那么多问题。
It is dogged (that) does it.
天下无难事，只怕有心人。
It is almost impossible to take your mind off the journey.
想摆脱开旅途的困扰是很难的。