bar code 
ˈbar code BrE AmE noun [countable]  a group of thin and thick lines printed on products you buy in a shop, that a computer can read. It contains information such as the price.
b\\bar+codehu
bar code There are bar codes on most things that are for sale in stores.| ◎ | ['bɑ:koud] | | ※ | danh từ | | | ■ | mã số kẻ sọc trên hàng hoá |
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