box-cutter
US /ˈbɑːksˌkʌt̬.ər/
UK /ˈbɑːksˌkʌt̬.ər/
1.
美工刀, 開箱刀
a knife with a retractable, replaceable blade, used for cutting cardboard and other materials
:
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He used a box-cutter to open the package.
他用美工刀打開了包裹。
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Be careful when handling a box-cutter, as the blade is very sharp.
使用美工刀時要小心，因為刀片非常鋒利。