Nitroolefin
硝基烯烃
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
I'd like to express my gratitude to you for your advice.
对于你的忠告，我想表示感谢之意。
was headed with a striking illustration of a lady in a state of considerable distress,
文章上方有一幅引人注目的插图，是一位表情沮丧的女子。