Upc
[计] 通用产品代码
🗣️ 情景例句
I hate animals, they smell and they're noisy.
我讨厌动物，它们很臭而且很吵。
I know you are all busy.
我知道大家都很忙
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。