Hexoic acid
[机] 己酸
🧩 词语组成解析
🗣️ 情景例句
in a horse and carriage.
坐马车。
People are always changing, aren't they?
人总是在变，不是吗？
he saw two thieves rush out of a shop and run towards a waiting car.
看到有两个小偷从一家商店里冲出来，奔向等在那里的一辆汽车，