春天严寒的天气降低了母鸡的产蛋能力。Freezing weather in spring hampered the hens' ability to lay.除了最严寒的冬季，这种植物都能在户外生长。The plant will stand all but the worst winters out of doors.电视画面显示了严寒的环境。TV pictures showed the arctic conditions....
The males of many species of insect have similarly elaborate genitalia.昆虫界许多物种的雄虫也有相似的精致生殖器.A high proportion of crime in any country is perpetrated by young males in their teens and twenties...在任何国家的犯罪者中，十几二十几岁的青年男性都占了很...