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篇1：root的过去式和用法例句
root的过去式和其他时态：
过去式: rooted
过去分词: rooted
现在分词: rooting
root的用法：
root的用法1：root用作动词时意思是“(使)生根,(使)扎根”。
root的用法2：root既可用作及物动词,也可用作不及物动词。用作及物动词时,常与副词out连用。
root的用法3：root用作名词的意思“根,根部”,引申可指“根本,根源”,常与介词of连用,是可数名词。
root的用法4：root作“祖籍,原籍”解时,多用作复数形式。
root的过去式例句：
1. Any sort of wrong-doing had to be rooted out.
必须杜绝任何不道德的事发生。
2. This tradition is also firmly rooted in the past.
这个传统同样深深地植根于过去。
3. The crisis is rooted in deep rivalries between the two groups.
这场危机的根源是这两个群体之间积怨已深的敌对情绪。
4. We just stopped there, rooted to the spot.
我们一下子就停在了那里，呆若木鸡。
5. His problems are deeply rooted in his childhood experiences.
他的问题的祸根在于他童年的经历。
6. Our movement is rooted in the hearts of the people.
我们的运动在人民的心中根深蒂固.
7. A deep - rooted tree is leafy ; an ambitious man is vigorous.
根深 叶才茂,志壮干劲高.
8. This tension makes such unique transcendency the ultimate concern rooted in reality.
这种张力使信仰这种独特的超越成为一种人的植根于现实的终极关怀.
9. It is difficult to get rid of deep - rooted habits.
积习难除.
10. To cure deep - rooted disease is generally a long process.
治愈根深蒂固的病一般来说是一个很长的过程.
11. Terror rooted him to the ground.
他吓得呆若木鸡.
12. Her affection for him is deeply rooted.
她对他的爱是坚定不移的.
13. Fear rooted her to the ground.
她吓得呆若木鸡.
14. French doctors tend to regard drug dependence as a form of deep-rooted psychological disorder.
法国医生倾向于把毒瘾看作是一种根深蒂固的心理障碍。
15. Racism is a deeply rooted prejudice which has existed for thousands of years.
种族主义是存在了几千年的根深蒂固的偏见。
篇2：root的用法和短语例句
root的用法：
root的用法1：root用作名词的意思“根,根部”,引申可指“根本,根源”,常与介词of连用,是可数名词。
root的用法2：root作“祖籍,原籍”解时,多用作复数形式。
root的用法3：root用作动词时意思是“(使)生根,(使)扎根”。
root的用法4：root既可用作及物动词,也可用作不及物动词。用作及物动词时,常与副词out连用。
root的常用短语：
用作名词 (n.)
at (the) roots
root and branch〔root-and-branch〕
用作动词 (v.)
root out (v.+adv.)
root up (v.+adv.)
root的用法例句：
1. Her ankle caught on a root, and she almost lost her balance.
她的脚踝被树根绊了一下，差点摔倒。
2. It shouldn't take too long to root him out.
把他铲除掉应该不需要太长的时间。
3. The forces of National Socialism were transforming Germany root and branch.
纳粹主义势力当时正在彻底改变德国。
4. The germ of an idea took root in Rosemary's mind.
罗斯玛丽心里萌生了一个念头。
5. They were treating symptoms and not the root cause.
他们是治标不治本。
6. She snagged a heel on a root and tumbled to the ground.
她脚后跟被一个树根绊了一下，踉踉跄跄地摔倒在地上。
7. Some prison practices are in need of root and branch reform.
有些监狱的做法需要彻底改革。
8. This lack of recognition was at the root of the dispute.
这种不被承认就是这次纷争的根源。
9. There would be a major drive to root out corruption.
将会有一场根除腐败的大规模运动。
10. Time would be needed for democracy to take root.
民主观念要深入人心需要时间。
11. Kevin buys a root beer.
凯文买了一瓶根汁汽水。
12. Root ginger has been used medicinally for centuries.
几百年来姜根一直作为药用。
13. We got to the root of the problem.
我们找到了问题的根源。
14. Root the cuttings in a heated propagator.
把插条放在加热的培育箱里生根。
15. The generals have to root out traitors.
将军们得把叛国者全部铲除。
篇3：dare过去式和用法例句
dare的过去式和其他时态：
过去式: dared
过去分词: dared
现在分词: daring
dare的用法：
dare的用法1：dare用作实义动词时,有时态和人称的变化,用do, does或did来构成否定句或疑问句。
dare的用法2：dare作“敢”解时,指“勇敢”,含有大胆、鲁莽、爱冒险,或因爱慕虚荣而甘冒生命或受惩罚的危险的意味,后面通常接动词不定式,有时可省略不定式符号to。一般不用于进行体。
dare的用法3：dare还有“激某人做难办的事”的意思,即问某人敢不敢(或能不能)做某事,暗示他不敢(或不能),其后接以动词不定式充当补足语的复合宾语,不定式中的to一般不省略。
dare的用法4：dare还可作“冒险,面对危难而不畏惧”解,直接接宾语,这是不常见的用法。
dare的过去式例句：
1. He has also dared to take unpopular, but principled stands at times.
他有时也会大胆坚持不受欢迎、但却有原则性的立场。
2. No one dared shoot for fear of hitting Pete.
没人敢开枪，怕伤着皮特。
3. He followed her, incensed that she'd dared to leave him alone.
他跟着她，对她竟敢对自己置之不理感到极其愤怒。
4. She said it as loudly as she dared.
她壮着胆子大声说了出来。
5. I wouldn't have dared to defy my teachers.
我可不敢不听老师的话。
6. The neighbours all stood aghast, and dared not move.
邻居们都目瞪口呆, 再不敢动.
7. Unafraid of attack , they dared ( to ) run such risks.
他们不怕围攻, 敢于承担这样的风险.
8. He dared not show that he was pleased.
他不敢表示自己觉得高兴.
9. She dared the danger of bankruptcy.
她敢冒破产的风险.
10. I dared him, but he didn't.
我向他挑战, 可是他不敢应战.
11. How dared you to play truant!
你竟敢逃学.
12. How dared they do such a thing?
他们怎么敢做出这样的事?
13. He dared me to jump over the stream.
他激我跳过那条小溪.
14. He never dared peep again.
他不敢再作声了.
15. Caroline hardly dared talk in Alex's presence, she was so in awe of him.
卡罗琳在亚历克斯面前几乎不敢说话，她对他很是敬畏。
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