Acethydrazide
乙酰肼
🗣️ 情景例句
Yes.
好的。
The friar preached against stealing and had a goose in his sleeve.
嘴上真君子，行动烂小人。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，