Pentadecylene diacid
[化] 十五烯二酸; 十五碳烯二酸
🧩 词语组成解析
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
I always wanted to travel to Europe but I was afraid that language would be a problem.
我总想去欧洲旅游，但我又怕语言是个问题。
When did you do homework?
你什么时候做家庭作业？
At 2,473 metres, it is the highest mountain pass in Europe.
海拔2，473O米，是欧洲最高的山口。