Vinylene
1,2-亚乙烯基, 乙烯撑, 次亚乙烯基
🗣️ 情景例句
Thanks, Grandpa.
谢谢你 ，爷爷。
Against your enquiry, we are pleased to make you a special offer as follows and hope to receive your trial order in the near future.
根据你方要求，我方很高兴就如下商品向你方特殊报价，希望不久能收到你方的试订单。
I'm a stranger here. I'm from the west coast. Tell me more.
在这儿我是个陌生人。我来自西海岸。告诉我更多的情况吧。