feather duster worm
Lack of reactivity; the quality of being nonreactive.
comparative form of staunchly: more staunchly
Any of the Sabellidae, a family of sedentary marine polychaete tube worms with the head mostly concealed by feathery branchiae.
(archaic) In the manner of a coward, cowardlily.
鮮やかな紫色の、頭部が羽毛状の枝鰓でほとんど覆われている定着性の海産多毛類の管状生物が、水流に扇状の鰓を伸ばしてプランクトンを濾し取った。
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