对于雄孔雀来说，硕长且沉重的尾屏是个沉重的负担，而过多的羽毛可能也同样拖累了近鸟龙。
And just as their long, heavy trains pose a burden to peacocks, the extravagant feathers of Anchiornis may have been a bit of a drag, literally.
雄驯鹿每年春天开始长角，从秃顶到过分装饰的转换。
Male caribou start to grow antlers every spring; a transformation from bald to bedecked.
无论是雄海象还是雌海象，它们长着长象牙，但只有犬齿在它们一生中能持续增长。
Both male and female walruses grow tusks, which are simply canine teeth that continue to grow throughout their lives.
方法：选用新西兰长耳雄兔，制作右股骨中段骨折模型。
Methods: Newzland long - ear rabbits were selected to make the right mid - femur fracture.
泰迪雄是历史相当长的玩具，它1903年始创于美国。 （哇！谈古论今了耶）
The teddy bear is quite an old toy. The first teddy was made in the USA in 1903.
一只长有红色盔突的雄犀鸟带着早餐翩然而至。 雄犀鸟将会把食物反刍给它大约3个月大的雏鸟，雏鸟安全地在一棵鸡骨常山属树木的巢穴里。
Room service: A red-knobbed hornbill arrives with breakfast, which he will regurgitate for his roughly three-month-old chick safely inside a nest hole in an Alstonia tree.
据悉，这只17英寸长的小家伙是美国首只未经过雄蜥蜴受精而生出的巨蜥。
They are the only known Komodo's born in the United States without fertilization.
据悉，这只17英寸长的小家伙是美国首只未经过雄蜥蜴受精而生出的巨蜥。
They are the only known Komodo's born in the United States without fertilization.
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