而雄蝶不走也只是浪费时间和精力,因为这只雌蝶的肚子里已经有一只小毛毛虫了。
And the male would just be wasting his time and energy with her, since there would already be a caterpillar bun in her oven.
雄蚊和雌蚊都是以植物汁液和其他甜食为食。
Male and female mosquitoes alike get their nourishment from plant nectar and other sugar sources.
在气味标记上发现同样的结果,和正常雄鼠一样,转基因鼠会在笼子的任何角落里撒尿(不同于雌鼠,雌鼠有固定的厕所)。
The same was found for scent-marking. Like normal males, the mutant mice urinated in various spots around their cage (unlike females, who create a single latrine).
在《创世记》中,上帝命令诺亚建造一艘巨大的船只,带上“每种(动物)……雄的和雌的各一个……陆地上所有用鼻孔呼吸的动物。”
In the Book of Genesis, God commands Noah to built the massive vessel and bring "every sort [of animal]... male and female... everything on the dry land in whose nostrils was the breath of life."
德国的灵长类动物学家DanaPfefferle观察过一群短尾猿,计算了雌猿的喊叫和雄猿骨盆大力冲刺次数。
German primatologist Dana Pfefferle watched a group of macaques, counting the females \ \ \ 'yells and the males \ \ \' pelvic thrusts.
这一窝产下两只雄仔和七只雌仔。
后来,精卫和海燕结成了夫妻,生出许多小鸟,雌的像精卫,雄的像海燕。
Later, jingwei and haiyan became husband and wife, produce many birds, female image jingwei, males like haiyan.
孩子们明白了父亲的心,都表示愿意去。雄兔和雌兔眼里含着泪,笑了。它们决定让最小的女儿去。
The children understand the father's heart, all wants to go. Two rabbits with tears in his eyes, smiled. They decided to let the youngest daughter.
孩子们明白了父亲的心,都表示愿意去。雄兔和雌兔眼里含着泪,笑了。它们决定让最小的女儿去。
Thee children understand the father's heart, all wants to go. Two rabbits with tears in his eyes, smiled. They decided to let the youngest daughter.
在野外,单亲无法为自己的幼子食物和悉心呵护,所以自然界发明了一雌一雄的配偶。
In the wild, a single parent can't provide both food and constant care for its young, so nature invented pair-bonding - couples.
在我们学校自行繁殖和驯养的导盲犬有三种:金毛猎犬, 拉普拉多猎犬和标准贵宾犬。雄犬和雌犬都可以。
In my guide dog school breeds three kinds of dogs: golden retrievers, Labrador retrievers and standard poodles. We use both male and female dogs.
当雌恐龙离开后,雄恐龙就自己保护和孵化恐龙蛋。
When the fe males left, the males incubated and protected the eggs on their own.
这对一雌一雄的两只熊猫将会和竹子、苹果和蒸过的玉米面包一起旅行,以让它们更好的适应环境的变化。
The male and female will travel with bamboo, apples and steamed cornbread to ease the adjustment.
利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
用快速脂肪提取器对雄、雌虾蛄肉及虾蛄头中的脂肪进行了提取和测定。
Fat in male and female squillid meat and squillid heads was extracted with diethyl ether by means of rapid fat extractor instead of Soxhlet extractor respectively.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
他以鱼类为食,吃海星、颌针鱼、螃蟹、比目鱼、鲽、雅罗鱼,也吃雄鳐和雌鳐鱼,还吃鲐鱼、小狗鱼以及身子扭来扭去的鳗鲡。
He ate the starfish and the garfish, and the crab and the dab, and the plaice and the dace, and the skate and his mate, and the mackereel and the pickereel, and the really truly twirly-whirly eel.
在几项研究中,当将处于压力状态下的雌鼠的卵巢(雌性生殖器官)被摘除,他们产生的化学物质就变得和雄鼠一样多。
In several of the studies, when stressed-out female rats had their ovaries (the female reproductive organs) removed, their chemical responses became equal to those of the males.
他表示,这只爱吵闹的雌鹦鹉和另一只相对安静的雄鹦鹉就这样获救了。
The boisterous female parrot was rescued, along with a quieter male parrot.
雄蚕蛾对雌蚕蛾感知定位过程中,性信息素结合蛋白pbp1、气味受体OR 1和OR 3起重要作用。
PBP1, OR1 and OR3 play an important role in the process of the male silkworm Bombyx mori perception and location of the females.
在凹叶厚朴大、小孢子发生和雌、雄配子体发育过程中存在部分败育现象。
The megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.
猴群可以分为26个单位,其中有19个单雄多雌单位、5个多雄多雌单位和2个全雄单位。
The band was divided into 26 units:19 one-male units(OMUs), 5 multi-male units(MMUs), and 2 all-male units(AMUs).
朱鹭中,一只雌鹭一直和2岁的雄朱鹭一起生活,人们对他们的繁殖抱有厚望。
Researchers were hoping that the bird living with a 2-year-old male might breed.
② 性母与性雌蚜和雄蚜的遗传关系都十分接近,说明同一性母既产性雌蚜,也产雄蚜;
Mother of mating forms had almost the same genetic relation to the mating female and male, suggesting that the mother of mating female also be the mother of male; 3.
② 性母与性雌蚜和雄蚜的遗传关系都十分接近,说明同一性母既产性雌蚜,也产雄蚜;
Mother of mating forms had almost the same genetic relation to the mating female and male, suggesting that the mother of mating female also be the mother of male; 3.
应用推荐