dp73255815
这里kill：杀死，捕杀(尤指动物);
猜测这一家人在冒险旅行，家里估计有小孩，那碰到野兽怎么办？总不能大人先跑了吧？况且跑也不一定是解决办法，于是组建了family circle（家庭圈），团结就是力量，家庭成员应该有队形，然后kill修饰circle(圈子)，捕杀野兽的圈子，自然而然是保护作用，呆在里面当然可以受到保护，就称为保护圈了。
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kill: [ kil ] n. 杀,杀戮v. 杀,破坏,消减词形变化: 动词过去式:killed 过去分词:killed 现在分词:killing 第三人称单数:kills 例句与用法: 1. My back is killing me. 我的背疼得要命。 2. His wife was killed in a car accident. 他的妻子在车祸中丧生。 3. The tiger dragged its kill into the jungle. 这只老虎拖着它的猎物进了丛林。 4. My feet are killing me. 我的脚疼死我了！ 英英解释: 名词kill:1. the act of terminating a life同义词：killing, putting to death2. the destruction of an enemy plane or ship or tank or missile动词kill:1. cause to die; put to death, usually intentionally or knowingly2. thwart the passage of同义词：shoot down, defeat, vote down, vote out3. cause the death of, without intention4. end or extinguish by forceful means同义词：stamp out5. be fatal6. be the source of great pain for7. overwhelm with hilarity, pleasure, or admiration8. hit with so much force as to make a return impossible, in racket games9. hit with great force10. deprive of life11. drink down entirely同义词：toss off, pop, bolt down, belt down, pour down, down, drink down12. mark for deletion, rub off, or erase同义词：obliterate, wipe out13. tire out completely14. cause to cease operating15. destroy a vitally essential quality of or in
