The covariance analysis results showed that the difference between femaleduck body size is correlated with the difference between body weight.
但协方差分析结果表明,本次测量的母鸭体尺间的部分差异是由于体质量的差异带来。
2
The Li men jostle to sell me supper, all of it live: white-breasted waterhens, little egrets, a black-crowned night heron and a spot-billed duck, the only duck where male and female look alike.