释义 |
ech·i·u·roi·dea \ˌekēyəˈrȯidēə\ noun plural Usage: capitalized Etymology: New Latin, from Echiurus + -oidea : a group of marine worms of obscure position though commonly classed as a division of Gephyrea and distinguished by a sensitive but nonretractile proboscis overlying the mouth which in some forms (as some worms of the genus Bonellia) may attain great size |