minute freshwater crustacean having a round body enclosed in a transparent shell; moves about like a flea by means of hairy branched antennae
minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e.g. Guinea worms
water flea 片语
片语
toxic test of water flea水蚤毒性试验
Water r flea水蚤
Extermination of Water Flea水溞虫杀灭方法
culture method of water flea微尘子养殖法
water flea 例句
英汉例句
the water flea can be found throughout north america, europe and australia.
这种水蚤可以在整个北美、欧洲和澳洲找到。
the larva is ingested by a water flea (cyclops), where it develops and becomes infective in two weeks.
幼虫通过水蚤(剑水蚤属)进入人体,在那里发育并在两周后具有感染性。
any of various aquatic crustaceans of the subclass branchiopoda such as the fairy shrimp and water flea characterized by a segmented body and flattened leaflike thoracic appendages .
鳃足动物一种鳃足亚纲水生甲壳类动物,如神仙虾和水蚤,特征是身体分节,具有平直叶状的胸腹附属结构。
the larva is ingested by a water flea (cyclop), where it develops and becomes infective in two weeks.
幼虫通过水蚤(剑水蚤属)进入人体,在那里发育并在两周后带有感染性。
the growth condition of ? polypedates megacephalus? tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.