常見例句雙語例句People have long wondered how cowbird can get away with leaving their eggs in the nests of other species, who then raise the baby cowbirds.人們一直奇怪牛鸝爲(wèi)何能夠成功地把自己的蛋畱在其他鳥類的巢中，而其他鳥類就會幫其撫養(yǎng)其幼鳥。fenghuangyufeid.blog.163.com權(quán)威例句Nests from which cowbird eggs had been removed, but which lacked protection, did badly.ECONOMIST: How cowbirds run protection racketsIn the following seasons Dr Hoover and Dr Robinson removed cowbird eggs from some of the parasitised nests.ECONOMIST: How cowbirds run protection racketsNests thus attacked yielded, on average, but a single fledgling, whereas those with a cowbird egg in them yielded three warbler fledglings.ECONOMIST: How cowbirds run protection rackets 返回 cowbird