Stilbene
芪, 1,2-二苯乙烯, 均二苯代乙烯
🗣️ 情景例句
They do.
是的。
What are you thinking about?
你正在考虑什么？
First, remember that a fax can be read by anyone, so be careful what you send!
首先，要记住任何人都有机会读到传真，因此，对你发送的内容要小心谨慎！