Cholinic acid
[化] 胆碱酸
🧩 词语组成解析
🗣️ 情景例句
He's a lucky boy.
他是个幸运的孩子。
Take it easy.
别紧张。
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我当即动手作了一项试验，这项试验尽管没有使我摆脱这些蚂蚁，却使我着迷了24小时。