They study how animals protect themselves from their predators, and which animals kill other animals for food.
他们研究动物如何保护自己免受捕食者的伤害，以及哪些动物会捕食其他动物。
Botanists have discovered for the first time that the plants are carnivorous predators who kill insects in order to "self-fertilise" themselves.
植物学家首次发现，这种植物是食肉性捕食者，它们捕杀昆虫是为了“给自己补充营养”。
Stag Hunt is the dilemma faced by a bunch of hunters who must cooperate to kill a stag, but may do better sneaking off by themselves to hunt a rabbit if no one cooperates.
“猎鹿”是一群猎手面对的难题，他们必须合作才能把鹿杀死，如果没有人合作的话，那么开小差各自去撵兔子会更好些。
In fact, the caterpillars' sweet secretions are not only nutritious, but also contain chemicals that subdue the ants. Otherwise the ants might kill the caterpillars themselves!
事实上，幼虫的分泌物不仅仅是营养丰富，同时也含有一种能够制服蚂蚁的化学物质，不然的话，蚂蚁也会让幼虫致命。
How about harnessing the winged creatures themselves to kill malaria parasites?
可否利用这些长翅膀的生物自己去杀死引起疟疾的寄生虫呢？
Upon awakening, they find themselves chained up, with the survivor about to kill them for food.
觉醒后，他们发现自己与连锁的幸存者，要杀死他们携带的食物。
In many parts of the world, diet is restricted to what the community can grow for themselves, or catch, or kill in the forests or grasslands.
世界上的许多地方，饮食是受限于社区可以自个种植的作物，以及可以在森林或者草地上捕捉猎杀的动物。
Bacteriocins are irreproductive proteins which are produced by bacteria themselves and could kill the others within the same species and closely relative bacteria.
细菌素是由细菌产生的对同种间的其它菌系或近缘细菌有杀伤作用的非增殖性的蛋白质性物质。
Tumor therapist and researcher are applying themselves to look for a effective hypoxic toxic medicine or effective kill measures.
多年来肿瘤治疗学家和研究人员一直致力于寻找有效的低氧细胞毒性药及有效的杀灭手段。
Scientists have known for some time that many plants protect themselves from insect attacks by producing toxins that either ward off or kill insects when they attempt to have the plant for lunch.
科学家很早就发现，一些植物释放或分泌有毒物质，击退视植物为午餐的昆虫，以求自保；而这些有毒物质有时是致命的。
It would be a year or more before their mothers had taught how to go out and kill for themselves.
一年多以后他们的母亲会教他们如何出去捕杀猎物。
If it's skiing, they throw themselves at it with an effort that would kill a horse.
要是去滑雪，她们就奋力地在雪地上冲，连马都会累死。
If it's skiing, they throw themselves into it with an effort that would kill a horse.
要是去滑雪，他们就猛打猛冲，那样子连马都会累死。
But the Utopians are no kill-joys themselves. After sis hours of work, they spend their time in study of literature, art and science.
但是，乌托邦人的生活也不是枯燥乏味的，六小时工作以后，他们就会把时间用于学习文学、艺术和自然科学上。
When granulocytes detect a foreign body in a mosquito's blood, they can either kill it themselves or signal another cell to come do the job.
当粒细胞检测到蚊子血液中有外来物体，它们会杀死他或是通知其他细胞完成这一工作。
Only off Seal Island do 16-foot great white sharks regularly catapult themselves into the air in an effort to catch and kill these seals.
在海豹岛附近海域，大白鲨常会从水中冲出猎杀海狗。
Only off Seal Island do 16-foot great white sharks regularly catapult themselves into the air in an effort to catch and kill these seals.
在海豹岛附近海域，大白鲨常会从水中冲出猎杀海狗。
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