Upc
[计] 通用产品代码
🗣️ 情景例句
For some reason, I couldn't get a handle on it.
因为某些原因， 我就是开不了窍。
You'd better run or you're going to be left behind.
你最好跑不然你将落在后面。
Have you ever driven a BMW?
你有没有开过“宝马”？