雌雄轮流孵卵。
你怎样辨别一条鱼的雌雄?
这种鸟很容易辨认雌雄。
为了跟贝利一决雌雄,他已经着手训练了。
两周前,在伦敦自然历史博物馆有一只雌雄同体的蝴蝶破茧而出。
A gynandromorphy butterfly emerged from its chrysalis at the Natural History Museum in London two weeks ago.
雌雄间性选择研究的突破来自于在实验室研究女性反应的新技术的发展。
The breakthrough for research into intersexual selection came in the development of a new technique for investigating female response in the laboratory.
证据表明,莺主要用它们极其精致的歌声吸引雌性,这清楚地证实了雌雄间选择对鸟类鸣叫进化的影响。
The evidence suggests that warblers use their extremely elaborate songs primarily to attract females, clearly confirming the effect of intersexual selection on the evolution of birdsong.
有些鱼种是雌雄同体的。
雌雄同体的定义是雄蕊和雌蕊在一个柱状。
Gynandrous definition is having the androecium and gynoecium united in a column.
银杏是一种雌雄异株的植物,具有重要的经济和研究价值。
Ginkgo, a plant of dioecism, has important economic and research values.
雌雄异熟和雌雄异位共同存在于两性植物中是一种有效促进异交的机制。
A combination of dichogamy and herkogamy in hermaphroditic plants is an effective mechanism to encourage outcrossing.
意思是这两支球队正准备一决雌雄。
这样的舞台好像就是为了一决雌雄而准备的。
西班牙队将在周日进行的南非世界杯决赛中与荷兰队一决雌雄。
Spain will play the Netherlands in Sunday's World Cup football final in South Africa.
因为也只有在冬天,雌雄驯鹿同时长有鹿角,而且拥有如此光泽油亮的好皮毛。
Only in the autumn do both male and female have full sets of antlers and coats in such wonderful condition.
科学家们对老鼠进行的行为观察显示,基因突变的雌雄鼠之间的互动减少。
Behavioral observations indicated reduced male-female social interactions in the SHANK3 mutant mice.
没有任何人会想到有一周的《欢乐合唱团》里的库尔特学的《雌雄莫辨》吗?
Anyone else strangely reminded of Kurt doing Victor Victoria in Glee the other week?
科学家及后勤人员排成一线依次传递国旗的情景,俨然一幅雌雄企鹅接替孵卵的画面。
It was handed from person to person along a line of scientists and support staff like an egg being passed between penguins.
还有一点很重要,记得在食用之前把雌雄花蕊去掉,因为有时候花蕊没有其它部分好吃。
It's also important to remove pistils and stamens from flowers before eating. Sometimes these parts of the flower are not as tasty as the rest.
科特迪瓦和葡萄牙能否与巴西一争高下,尚有待观察,但两队势均力敌,难以分出雌雄。
While it remains to be seen whether either of these two can match Brazil, Ivory Coast and Portugal are so evenly matched there was nothing to choose between them.
但是银杏树和美国常见的树种不同,它是雌雄异株植物,也就是说银杏树有分雄性和雌性。
But unlike most tree species common in the us, the ginkgo is dioecious, meaning trees are male or female.
我试图追赶Edwards,我觉得和他最后一圈一决雌雄那会很精彩,可最后没能实现。
I was trying to catch Edwards because I thought it would've been nice to have a last-lap race with him, but I didn't quite get to him.
维多利亚时代的英国金雕被捕杀绝种,1975年从挪威重新引进了30对雌雄育种金雕到苏格兰。
Victorians hunted them to extinction in the UK but in 1975 they were reintroduced to Scotland from Norway. There are 30 breeding pairs.
维多利亚时代的英国金雕被捕杀绝种,1975年从挪威重新引进了30对雌雄育种金雕到苏格兰。
Victorians hunted them to extinction in the UK but in 1975 they were reintroduced to Scotland from Norway. There are 30 breeding pairs.
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