这是一种非常简便的开罐工具。

This is a very handy tool for opening cans.

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左撇子在使用开罐刀、剪刀和土豆削皮器时会有困难。

Left-handers have trouble using can-openers, scissors, and potato peelers.

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介绍了对一台热壁加氢反应器进行开罐检验的有关方法和技术要求。

This paper introduced the relative inspection method and technology for heat-wall hydrogenation reactor that have been put forward.

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On the fourth day, they opened one of the cans of turnips and ate it.

第四天，他们开了一罐腌萝卜来吃。

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