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单词 annelids
释义 DEFINITIVE EXAMPLES 权威例句〔crop〕A similar enlargement in the digestive tract of annelids and insects.消化器官:环节动物或昆虫的消化道中的类似扩大部分美国传统〔cuticle〕Zoology The noncellular, hardened or membranous protective covering of many invertebrates, such as the transparent membrane that covers annelids.【动物学】 护膜:许多非脊椎动物的非细胞的、硬化或膜状的保护性覆盖层,如覆盖节肢动物的透明膜状物美国传统〔parapodium〕One of the fleshy paired appendages of polychete annelids that function in locomotion and breathing.疣足,侧足:多毛目环节动物成对的起移动和呼吸作用的肉质附属部分美国传统〔prostomium〕The portion of the head in earthworms and other annelids that is situated anterior to the mouth.口前叶:各种蠕虫和软体动物头部在口前方的部分美国传统〔trochophore〕The small, free-swimming, ciliated aquatic larva of various invertebrates, including certain mollusks and annelids.担轮动虫:多种水生无脊椎动物,体型很小能自由游动的、有纤毛的幼虫,包括某些软体动物和环节动物的幼虫美国传统〔tubeworm〕Any of various annelids living within tubular cases that they secrete or glue together from grit.管虫:生长在管状容器内的各种环虫,它们分泌并粘在一起以防止砂粒美国传统
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