Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.
在被子植物花粉管中生殖(为雄原核译者注)分裂成两个配子核。
The flowers were pretreated by (A) emasculating then bagging, (B) removal of stigma and (C) crosspollination, respectively as compared with control: open-pollination after emasculation.
去雄套袋、截去柱头以破坏授粉授粉等处理与去雄不套袋作对照之间结实率差异不显著。
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" Is it a boy or a girl? " she asked delicately.
" 是雄的还是雌的?" 她委婉地问。
One big gobbler snatched a tomato from me one day and ran away with it.
有一天,一只硕大的雄火鸡从我手里叼走了一个番茄,然后迅速跑掉了。
A nurse came into the cob's room to open his window.
一个护士来到雄天鹅的病房,打开了他的窗子。
She succumbed completely to this charmer, this handsome musician, this rich and talented cob.
她完个可爱的天鹅,个英俊的音乐家,个富有且有才华的雄天鹅迷住了。
It looks a little like the beard on a male goat.
它看起来有点像雄山羊的胡子。
Babyhood is actually the pinnacle of a male hyena’s life.
崽时是一只雄鬣狗狗生的巅峰。
Let's say there's a stranger male attempting to insinuate himself with a female.
假定有一头陌生的雄恐龙想要获得与雌性的交配权。
To divert the males' attention from her cub, she rolls over submissively.
为了转移雄雪崽的注意力,她顺从地滚动着身体。
With the males fixed on the female, the cub has a chance to escape.
雄雪的注意力都集中在了雌雪身上,崽得以借此机会脱身。
The challenger backs down. The size and strength of the defending male is just too much.
挑战者让步了。守卫的雄熊猫体型和力量远在它之上。
We do know the outcome, though.
像“疤面”一样的雄鬣狗结束了饱受骚扰和欺凌的困扰和伤害之后。
Peahens – that's a female peacock - prefer male peacocks with lots of eyespots on their tail.
雌孔雀喜欢屏尾上眼状斑多的雄孔雀。
She had never seen a finer-looking young cob.
她从未见过比只年轻雄天鹅更英俊的天鹅。
The key to peace was prolonged physical contact with females—which causes female pheromones to rub off on the males.
雄果蝇平和的关键是与雌性的接触时间长了,继而雌性信息素因摩擦而沾到它们身上。
The Pachyrhinosaurus herds were made up of a few dominant males and a harem of females and their children.
肿鼻角龙群由几头处于统治地位的雄恐龙一群妻妾和它们的孩子构成。
The President also spared a second gobbler named Bread from being served up on a Thanksgiving table near you.
总统还赦免了一只名叫“面包”的雄火鸡,使其免于献身感恩节餐桌。
This larger male is the tree's owner.
只大点的雄蜥蜴是棵树的主人。
But the big male follows her.
但健硕的雄雪紧跟着她。
Directly in front of her, she saw a handsome young male swan, a cob of noble proportions.
从她的面,她看到了一只清秀的年轻雄天鹅,一只具有贵族风范的天鹅。
One example is androstenol, which is emitted by male pigs to signal a nearby female to assume a mating stance.
以雄烯酮为例,它是雄猪释放的,用以吸引附近的雌性进行交配。
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