velella / vəˈlɛl ə /
⚽高中词汇藜麦
velella 的定义
n. 名词 noun- a floating colony of hydrozoans of the genus Velella, having a vertical crest that is used as a sail.
更多velella例句
- Thus in Velella free medusae are produced, which have been described as an independent genus of medusae, Chrysomitra.
- As the barnacles grew larger, the remains of the velella changed into large excrescences, half the size of a walnut.
- I kept one specimen, to show old and young barnacles attached to the same Velella.
- A Velella also was caught in the open bay: this is the first which has been observed in so high a latitude.