常見(jiàn)例句雙語(yǔ)例句Methods:We measure the LD of flies on insecticides by standard drop way.方法 ：採(cǎi)用點(diǎn)滴法測(cè)定家蠅對(duì)殺蟲(chóng)劑的半數(shù)致死量。 返回 standard drop measure