骨针

gǔzhēn

骨针 — gǔzhēn

1. spicule (in biology)

   海绵动物的骨针构成了其支撑结构。 hǎimián dòngwù de gǔzhēn gòuchéng le qí zhīchēng jiégòu — The spicules of the sponge form its supporting structure.

2. bone needle (in archaeology)

   出土的骨针表明古人用于缝制衣物。 chūtǔ de gǔzhēn biǎomíng gǔrén yòngyú féngzhì yīwù — The excavated bone needle indicates that ancient people used it to sew clothing.