planula发音

意思翻译

n.浮浪幼体

相似词语短语

planulae───n.实囊幼虫；浮浪幼体

planular───平面的

planulate───刨削

plantule───n.[植]胚芽

planuria───计划

canula───n.套管

lunula───n.新月形的东西；弧影，甲弧影；甲半月

paenula───n.带风帽大氅；佩奴拉

pinnula───n.小羽片；离鳍

双语使用场景

英语使用场景

In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.

Fertilization is external, producing free - living planula larva.

Reproduction: gonads are aggregations of developing gametes. Fertilization is external, producing free-living planula larvae. Asexual budding is common.