留美老师带你每日说英文 第936期:自然界的同类相食
时间：2019-02-14 作者：英语课 分类：留美老师带你每日说英文
英语课
While it may seem counterproductive for members of the same species to eat each other, cannibalism 1 can promote the survival of the species as a whole by reducing competition, culling 3 the weak, and bolstering 5 the strong.
虽然对于同种族的成员来说，同类相食看似毫无用意，但那其实可以促进整个种族的存活，毕竟竞争减少了，弱者也被筛选了出来，强者则得到帮助。
学习重点：
1.counterproductive 产生不良后果的
counterproductive (adj.) 产生不良后果的
counter (v.) 反对；反击
counterargument (n.) 用来反驳的论点
2.species 种类
species (n.) 种类
breed (n.) 品种
3.cannibalism 自相残杀
cannibalism (n.) 自相残杀
cannibal (n.) 同类相食的动物；食人者
4.cull 2 扑杀
cull (v.) 扑杀
eliminate (v.) 消灭
5.bolster 4 支撑; 增强
bolster (v.) 支撑; 增强
boost (v.) 提高；增加
reinforce (v.) 增援
n.同类相食；吃人肉
- The war is just like the cannibalism of animals.战争就如同动物之间的互相残。
- They were forced to practise cannibalism in order to survive.他们被迫人吃人以求活下去。
v.拣选；剔除；n.拣出的东西；剔除
- It is usually good practice to cull the poorest prior to field planting.通常在实践上的好方法是在出圃栽植前挑出最弱的苗木。
- Laura was passing around photographs she'd culled from the albums at home.劳拉正在分发她从家里相册中挑选出的相片。
n.选择，大批物品中剔出劣质货v.挑选，剔除( cull的现在分词 )
- The mathematicians turned to culling periodic solutions. 数学家们转而去挑选周期解。 来自辞典例句
- It took us a week to find you, a week of culling out prejudice and hatred. 我们花了一个星期的时间找到你们，把偏见和憎恨剔除出去。 来自演讲部分
n.枕垫；v.支持，鼓励
- The high interest rates helped to bolster up the economy.高利率使经济更稳健。
- He tried to bolster up their morale.他尽力鼓舞他们的士气。
v.支持( bolster的现在分词 )；支撑；给予必要的支持；援助
- Why should Donahue's people concern themselves with bolstering your image? 唐纳休的人为什么要费心维护你的形象？ 来自辞典例句
- He needed bolstering and support. 他需要别人助他一臂之力。 来自辞典例句
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