Diphenylethylene
1, 2-二苯乙烯
🗣️ 情景例句
Any stocks or bonds?
有股票或债券吗？
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。