Nonadecenoic acid
[化] 十九碳烯酸
🧩 词语组成解析
🗣️ 情景例句
If you are going to insist, then just do it.
如果你想坚持，那么就坚持到底。
I'm twenty-two (years old).
我二十二了。
Kate Klarke! I know her. I met her last year. Do give her my regards.
凯特·克拉克！我认识她。我去年见过她。请代我向她问好。