弯曲杆菌感染通常较为温和，但对十分年幼的儿童、老年人以及免疫抑制人群可能具有致命性。
Campylobacter infections are generally mild, but can be fatal among very young children, elderly and immunosuppressed individuals.
相比之下，当幼龙虾在没有牡蛎片的光滑鱼缸中饲养时，大多数都发育出了两个刀爪。
In contrast, when juvenile lobsters were reared in a smooth tank without the oyster chips, the majority developed two cutter claws.
幼鲸长出一层厚脂肪以抵御冰冷的海水。
The baby whale develops a thick layer of blubber to protect it from the cold sea.
宰杀海豹幼仔的行为已引起了环保团体的强烈抗议。
The culling of seal cubs has led to an outcry from environmental groups.
这只母狮还在给它的幼崽喂奶。
动物们排斥一窝中最弱小的幼仔。
大象曼弗雷德伸出它的鼻子，轻轻地抱起了幼仔。
Manfred the elephant reached out with his trunk and gently scooped up the baby.
只有当母老虎在保护自己的幼崽时，或者当公虎在保护母老虎不受其他雄性动物的注意时，它们才会殊死搏斗。
Tigers fight to death only when a tigress is defending her young, or when a tiger is guarding a tigress from the attentions of other males.
EPIC 花费资金购买了价值250万美元的幼野牛，这些幼野牛将按照草饲协议饲养，购买价格有保障。
EPIC fronted the money for the purchase of $2.5 million worth of young bison that will be raised according to its grass-fed protocols, with a guaranteed purchase price.
我猜一旦幼崽们引起了其母亲的注意，它们就安全了。
I am guessing that once the babies have the mother's attention, they are safe.
蚜虫的运动也是如此，当吃完一株食用植物的幼叶，它们的后代会飞到另一株宿主植物上，没有蚜虫会再回到最初的地方。
So can the movement of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.
这有力地表明，幼鸡的右脑在学习这些行为方面只有很小的作用，或几乎没有发挥作用。
That strongly suggested that the right side of the chick's brain played little or no role in the learning of such behaviours.
让不同的幼袋鼠处于不同的发展阶段，有利于母袋鼠同时照顾它们。
To put different young kangaroos at various stages of development is advantageous for the female kangaroo to handle them at the same time.
有东西正在触碰着它们的幼崽。
尽管蜥蜴可能对栖息地有要求，它对幼仔的健康却完全漠不关心。
Although the lizard may stake a claim to its habitat, it exerts total indifference toward the well-being of its young.
她载着其中一批幼崽，而其它的在等她回来。
While she is taking one load of hatchlings, the others wait for her to come back.
蛋大约在十天内孵化，不过，鸭嘴兽的幼仔只有青豆大小，完全无法自立。
The eggs hatch in about ten days, but platypus infants are the size of lima beans and totally helpless.
在佛罗里达海湾沿岸被工业污染的水域中，海豚幼崽异常高的死亡率可能是被它们母亲的乳汁毒害的结果。
The unusually high mortality rate among dolphin calves in the industrially contaminated waters along Florida's Gulf Coast is probably the result of their being poisoned by their mother's milk.
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