Heptene
[化] 庚烯
🗣️ 情景例句
Yes, you have a point there.
对，你说的这一点有道理。
Good children make glad parents.
孩子好，父母笑。
I'm very sorry. I borrowed a book from the library two weeks ago.
“很对不起。两周前我从图书馆借了一本书。