单词：bar code
[计] 条形码
bar code的用法和样例：
例句
- Bar codes should be marked on the inner packing.条形码应该标在内包装上。
- The shop assistant scanned the bar code to check the price.店员对条形码扫描以核对价格。
- universal product code通用产品码,通用货单代码...
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