Phthalhydrazide
邻苯二甲酰肼
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Bare words, no bargain.
空言不能成交易。
On his arrival he was sold to a farmer and worked in the fields.
一到美国，他就被卖给了一个农场主，到地里干活。