water flea

1. The growth condition of? Polypedates megacephalus? Tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.
   以藻类、蛋黄、水氵蚤和鳗鱼饵料为饵料饲喂斑腿泛树蛙蝌蚪，观察其生长情况。
2. 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。
3. Observation of Internal Texture of Live Water Flea
   水蚤内部结构的活体观察
4. The essay reported the testing method and results of toxicity research of the pesticide to a water flea, Daphnia Magna.
   本文报道了新杀菌剂叶青双对水蚤毒性的测定方法和结果。

noun

1. minute freshwater crustacean having a round body enclosed in a transparent shell

   Synonym:    daphnia

2. minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming

   Synonym:    cyclops