Optically active substance
[化] 旋光性物质
🧩 词语组成解析
adv. 眼睛地；视力地；光学地
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
🗣️ 情景例句
We accepted their challenge to a baseball game.
我们接受了他们棒球邀请赛的挑战。
When the wolf grows old, the crows ride him.
狼老被鸦欺。
The system has worked so well, that it has been adopted in other countries too.
由于这种制度行之有效，已被其他国家采纳。