球刀，是汉语词汇，出自《书·顾命》，解释为天球与赤刀。
刻苦练习冰球，不知用坏了多少球刀。
He practices ice hockey hard, nobody knows how many hockey blades he has worn out.
一个苹果、一把水果刀或苹果去心器、一个搓球机或勺子(任选)。
An apple a paring knife or apple corer a melon baller or spoon (optional).
售价150美刀的Giovannoni时间球是一个俏皮的闹钟——呃，尽管实际上它不是一块表，但是它能够利用一个红外球将时间投影到任何物体的表面。
At $150, the Giovannoni Timesphere is a nifty alarm clock – well yes not a watch practically though, however is capable of projecting the time onto any surface via a wireless orb.
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