Vinylene
1,2-亚乙烯基, 乙烯撑, 次亚乙烯基
🗣️ 情景例句
Do you expect me to accept that?
你以为我会接受吗？
Doris would like to see your pictures of California and so would I.
多瑞丝喜欢看你加利福利亚的照片，我也一样。
Cheer up!
振作起来！