Heptene diacid
[化] 庚烯二酸
?? 詞語組成解析
[化] 庚烯
n. [化]二酸\\na. [化]二價酸的, 二酸的
??? 情景例句
My niece is getting married,
我侄女即將結婚，
We have a lot of invitation cards, but they are all for the same date.
我們接到了許多請帖，但是上面的日期卻全都是同一天。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分熱量已被用來發電。