Vinylene
1,2-亚乙烯基, 乙烯撑, 次亚乙烯基
🗣️ 情景例句
can be picked up at the Riverdale Press offices.
可以到Riverdale Press各办事处索取。
What a beautiful garden you have!
你的花园真漂亮。
He has surely set up a record for the thousands of children who dream of evading school.
他无疑为成千上万梦想逃避上学的孩子们创造了一项纪录。