arrow worm
Not ambitious.
One who, or that which, waggles. / (fishing) A float consisting of a thin tube of plastic with a line threaded through an eye at the bottom.
Alternative form of tennikoit
A predatory marine worm of the phylum Chaetognatha.
科学者たちは、プランクトンの中を矢虫が素早く泳ぎ、小さなコペポーダを捕らえるのを観察した。
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DiQt
Free
★★★★★★★★★★