cross·bones /-ˌbonz/
交叉的大腿骨圖形
Cross·bones n. pl. A representation of two of the leg bones or arm bones of a skeleton, laid crosswise, often surmounted with a skull, and serving as a symbol of death.
Crossbones, scythes, hourglasses, and other lugubrious emblems of mortality. --Hawthorne.
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crossbones
n : two crossed bones (or a representation of two crossed bones)
used as a symbol danger or death