Mice with a highly active version weighed about 20 per cent less than normal mice at birth,and 35 per cent less at the age of one.是什么意思_Mice with a highly active version weighed about 20 per cent less than normal mice at birth,and 35 per cent less at the age of one.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句