houseflies造句

The RPI is 7 . 91 while the keep efficiency period reaches sixty days to kill houseflies.
灭家蝇持效期达60天后,RPI值为7.91.

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houseflies怎么读

houseflies的音标：houseflies的英式发音音标为：['haʊsflaɪz]houseflies的美式发音音标为：['haʊsflaɪz]...
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houseflies是什么意思？

n.家蝇( housefly的名词复数 )...
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