Stilbene
芪, 1,2-二苯乙烯, 均二苯代乙烯
🗣️ 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
Do you want to remit the money by air mail or by cable, sir?
您想要航空信还是电汇，先生？
OK. See you here at two.
好的。两点钟在这儿见。