Stilbene
芪, 1,2-二苯乙烯, 均二苯代乙烯
🗣️ 情景例句
They rescheduled the product launch.
他们重定产品投放市场的时间表。
I was impressed very much.
我有深刻的印象。
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，