Aceton
n. 丙酮
🗣️ 情景例句
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
Which platform?
在哪个站台？