water flea

基本解釋

Sunscreen, check. Plenty of fresh water, check. Swimming lessons, check. Flea control, check.
防曬品，有。大量新鮮飲水，有。遊泳課，有。跳蚤防治，有。
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The growth condition of ? Polypedates megacephalus? tadpoles were observed when fed respectively with algae, egg yolk, water flea and eel fodder.
以藻類、蛋黃、水氵蚤和鰻魚餌料爲?zhàn)D料飼喂斑腿泛樹蛙蝌蚪，觀察其生長情況。
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.
鰓足動物一種鰓足亞綱水生甲殼類動物，如神仙蝦和水蚤，特征是身躰分節(jié)，具有平直葉狀。

any of numerous minute freshwater branchiopod crustaceans of the order Cladocera, which swim by means of hairy branched antennae &rarrsee also daphnia