梅花起子英语

是做外型看的，梅花起子就是十字螺丝刀！你拿一个十字螺丝刀看一下，确定很像梅花！

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梅花起子就是头子像梅花形状一样的。专门用来拧螺丝的。至于为什么要叫梅花起子，可能就是根据形状来议的吧。也有的叫它为十字起。

自己去百科看

梅花起子是螺丝刀的一种，螺丝刀刀口分一字和十字，一字的俗称平口起子，十字的俗称梅花起子。望采纳，谢谢