削弱：网点的面积减少或字体笔划变幼的情况。
Sharpen: a decrease in the size of the half-tone dots or the thinning of stroke of type characters.
唐克明说，重点不是跳舞，他们是用跳舞来宣传尊老爱幼的观念。
We use dancing to promote ideas about caring for children and the elderly.
明显的解释是，它们的生活条件非常有利，因而老的和幼的都很少死亡。
The obvious explanation is that the conditions of life have been highly favourable, and that there has constantly been less destruction of the old and young.
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.
这，正越来越让自老及幼的许多美国人都不得不放弃许多他们本应有的健康检查和医疗处方；
This is forcing Americans of all ages to go without the checkups or prescriptions they need.
这是有史以来第一次，一位年幼的英国皇家成员与另一国的国家首脑进行了非正式会见，也是在肯辛顿宫举行过的最重要的会议。
It is the first time that any of the young royals have entertained a head of state privately and the most significant event they have ever hosted at Kensington Palace.
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.
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.
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.
我从来没有想过，幼崽会在地上游荡，在父母的保护下成长壮大。
I never thought that the young would be hanging out on the ground, growing and gaining strength as its parents guarded it from above.
西红柿、辣椒、茄子、秋葵以及这一科的其他植物在温度超过32摄氏度时，花蕾和幼果会掉落。
Tomatoes, peppers, eggplants, okra, and other plants in this family can drop flower buds and young fruits when the temperature exceeds 32 degrees Celsius.
总的来说，这些因素可能选择不爬树作为懒熊幼崽的防御策略。
Collectively these factors probably selected against tree-climbing as a defensive strategy for sloth bear cubs.
另一件事是，如果幼崽和家族其他成员分开，一旦其他成员离得足够远，幼崽的生存本能就开始发挥作用。
Another thing would be, if a hatchling gets separated from the rest of its family, once the others get far enough away, its survival instinct kicks in.
这就意味着，以这片水域中的鱼类和磷虾为食的帝企鹅，必须去到更远的地方觅食，而饥饿的幼崽则需要等待更长的时间。
This means that king penguins, which feed on fish and krill in this body of water, have to travel further to their feeding grounds, leaving their hungry chicks for longer.
来自悉尼南部的这个幼袋鼠出生时只有一颗软芯糖豆儿那么大，在它丽丽妈妈的育儿袋里呆六个月。
The joey, from just south of Sydney, was born the size of a jellybean and spent six months inside his mother, Lily's pouch.
玩耍可以让一只小动物探索环境并在相对安全的环境中练习技能，因为周围的成年动物通常不期望幼崽应对威胁或捕食者。
Play allows a young animal to explore its environment and practice skill in comparative safety since the surrounding adults generally do not expect the young to deal with threats or predators.
玩耍可以让一只小动物探索环境并在相对安全的环境中练习技能，因为周围的成年动物通常不期望幼崽应对威胁或捕食者。
Play allows a young animal to explore its environment and practice skill in comparative safety since the surrounding adults generally do not expect the young to deal with threats or predators.
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