| 单词 | rostellum |
| 释义 | Word Frequency rostellum(rɒˈstɛləm) nounWord forms: plural -la (-lə) biology a small beaklike process, such as the hooked projection from the top of the head in tapeworms or the outgrowth from the stigma of an orchid Derived forms rostellate (rosˈtellate) or rostellar (rosˈtellar) adjective Word origin C18: from Latin: a little beak, from rōstrum a beak |
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