Fisetic acid
[化] 非瑟酸; 非瑟酮酮
🧩 词语组成解析
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
A lazy youth,a lousy age.
少时懒惰老来苦。
Good, I'll get an order to you right away.
好极了，我立刻就下订单给你。