The rats were exposed to lead acetate through intragastric administration for 8 weeks.The blood, bone, brain, kidney, ovaries and testis of all rats were extracted in the end of the 8th week.是什么意思_The rats were exposed to lead acetate through intragastric administration for 8 weeks.The blood, bone, brain, kidney, ovaries and testis of all rats were extracted in the end of the 8th week.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句