Echiura
/ˌekɪˈjʊərə/- Zoology a small phylum of worm-like marine invertebrates that comprises the spoonworms【动】螠虫动物门。
派生词
echiuran
noun & adjectiveechiuroid
noun & adjective词源
modern Latin （earlier Echiuroidea）, from Greek ekhis 'viper' + oura 'tail'.