Malicacid
[化]苹果酸, 羟基丁二酸
🗣️ 情景例句
Things are never as bad as they seem.
事情往往不像看上去的那么糟。
Thank you for your letter.
谢谢你的来信。
In those days, boxers fought with bare fists for prize money.
当时，拳击手们不戴手套，为争夺奖金而搏斗。