一天，一个更富有想象力，使用了若虫或飘带。

And on a more imaginative day, the use of a nymph or a streamer.

在低龄若虫、高龄若虫和成虫阶段，人工饲养地鳖虫蛋白酶活力比野生地鳖虫低，人工饲养地鳖虫淀粉酶和脂肪酶活力比野生地鳖虫高；

The protease activity in the midgut of artificially reared insects was higher than thats of the wild insects in the same growth stage, but the amylase and lipase activities were lower.

蜱虫幼虫与若虫的口器很少会留在宿主皮肤里。

The mouthparts of larval and nymphal ticks will seldom be left in the skin.

很多蜉蝣种拙游泳充其量结合，剥其外层若虫皮肤他们等候治疗退化成为鳟。

Many mayfly species are clumsy swimmers at best, and combine that with shucking their outer nymph skin, they become a flailing treat for the waiting trout.

水生种类的若虫(也称为稚虫)，如蜻蜓，有鳃和其他生活于水中必需的诱发变异。

The nymphs of aquatic species (also called naiads), such as dragonflies, have gills and other modifications for an aquatic existence.