单词 | echiurian |
释义 | echiuriann.adj. Zoology. rare. A. n. = echiuran n. ΚΠ 1886 Jrnl. Royal Microsc. Soc. 6 985 The nerve-trunk has in adult Echiurians lost all trace of segmentation. 1983 Developmental Biol. 99 499/2 Stimulation by hormones in starfishes..and in amphibians.., by fertilization in echiurians.., [and] by proteases..in annelids. 2005 Marine Pollution Bull. 50 771/2 Specimens of poripherans [sic], cnidarians, nemertines, sipunculids, echiurians..and chordates were found. B. adj. = echiuran adj. ΚΠ 1938 Jrnl. Entomol. & Zool. 20 2 They [sc. the Dicyemids] are probably derived from an Echiurian ancestor similar to Bonnelia. 1991 Palaios 6 307/2 In the deep sea, echiurian worms are the most probable trace makers. 2004 Marine Geol. 212 99/1 A non-diffusive particle mixing event..was attributed to echiurian or sipunculid worms retrieved from these sediments. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.adj.1886 |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。