Diphenylethylene
1, 2-二苯乙烯
🗣️ 情景例句
That's very considerate of you, Michelle.
真会体谅别人， Michelle。
How long will it take you to have it made?
你要多少天才能把它做好？
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。