ladybird

ladybird

[ˈleɪdibɜ:d]

n.瓢虫;

复数： ladybirds

英文例句/中文翻译：

1、

Secondary toxication of ladybird beetle, Propylaea japonica preying on cotton aphids poisoned by insecticides

棉田龟纹瓢虫捕食农药中毒棉蚜的二次中毒问题

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2、

Bee and ladybird, very lovely.

小蜜蜂和七星瓢虫非常可爱。

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3、

The daily maximum number of scales preyed theoretically by the adult ladybirds was51.57.The searching efficiency decreased with the increase of predator density.

黑缘红瓢虫对扁平球坚蚧具有较强的捕食能力，日最大捕食量为51.57头。

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