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
And thanks for the directions.
谢谢你给我指了路。
Slow help is no help.
帮忙不及时，等于不帮忙。
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。