Cnida
刺丝囊
🗣️ 情景例句
Grandpa, get the net, please!
爷爷 ，请把网子拿来！
What's so funny?
什么事那么好笑？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。