Diphenylethylene
1, 2-二苯乙烯
🗣️ 情景例句
Thank you for asking.
谢谢你请我。
The watch is out of order.
这手表出毛病了。
They offered to pay $10 a pound for the biggest biscuit baked by a listener.
他们愿意以每磅10美元的价钱买下由听众烘制的最大的饼干。