Fraction number
[化] 馏分号码
🧩 词语组成解析
🗣️ 情景例句
Do we have to bag our own groceries?
我必须自己装我们买的商品吗？
Mary is in her freshman year.
玛丽大学一年级。
Roy acted quickly and drove the bus straight at the thieves.
罗伊行动迅速，开车直冲窃贼而去。