obelia 的定义
- a colonial hydroid of the genus Obelia, common in temperate seas and appearing as a delicate, mosslike growth on rocks, pilings, etc.
更多obelia例句
- Scientists have happily given these most euphonious names—Campanularia, Obelia, and Plumularia.
- Two of the commonest British hydroids belong to this family, Obelia and Clytia.