| 例句 |
Parrots are monomorphic – that is, both sexes are exactly the same visually, both in size and colour.鹦鹉是单形性鸟，即雌雄外观无论是体型还是颜色都完全一样。The new plant will have characteristics of both parent plants.新植株将兼有雌雄两亲本的特征。Only an expert would know the difference between the male and the female.只有专家才能分辨这种动物的雌雄。The birds must be weighed, sexed and tagged.必须对这些鸟称重，辨识雌雄并挂上标牌。Birds have developed a sexual difference in the colours of their feathers.鸟类在羽毛的颜色上显出雌雄差异。Coloring differentiates the sexes in many birds.鸟的雌雄通常可就其颜色予以区分。The birds must be weighed, sexed and tagged.必须对这些鸟进行称重、雌雄鉴定和标示。 |