鸟类肩带中特有的骨骼·由左右锁骨及退化的间锁骨在腹中线处愈合成“V”形·两侧的骨棒细长而稍曲，近端扁宽，接近乌喙骨突处以韧带与肩臼连接·两侧远端斜向内下方延伸，在接近胸骨中线处愈合成扁平的突起。
n. wishbone ; sidebone ; merrythought ; furcula
misc. wishingbone
这种反对是合理的，因为只有早期的兽脚亚目食肉恐龙的锁骨才被发现，但是现在已经发掘出了类似始祖鸟的叉骨的兽脚亚目食肉恐龙锁骨化石。
This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
迷信说法之许愿骨 有迷信认为如果两人一起扯许愿骨（通常为鸡或火鸡的叉骨），谁扯到较长的一段，谁的愿望就能成真。
According to the superstition, if two people break apart a "wishbone" of a chicken or turkey, the person who gets the longer half of the wishbone will have his or her wish come true.
如果得到一枚顶针说明这名妇女不会结婚，硬币预示着财运旺盛，鸡的叉骨表示他们最珍贵的愿望将会实现。
A thimble means that a woman will not marry, a coin means wealth and a wishbone means that their dearest wish will be granted.
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