Upc
[计] 通用产品代码
🗣️ 情景例句
Hi, Tom. How are you doing?
喂，汤姆。你好吗？
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
'It's all right,' she said, 'but isn't it upside down?'
是不错，她说到，但你不觉得有些混乱吗？