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| NOUN |
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| /ruːt/ |
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| 1 | C the part of a plant that grows under the ground , through which the plant gets water and food （植物的）根，根茎 |
| Olive trees have deep roots. 橄榄树的根很深。 |
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| 2 | C the part of a hair , tooth , or nail that is under your skin （毛发、牙齿或指甲的）根部 |
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| 3 | roots plural the origins or background of something 根源；背景 |
| What are the historical roots of the region’ s problems? 该地区问题的历史根源是什么？ |
| have its roots in sth The Association has its roots in the early 1950s. 这个协会源于20世纪50年代初期。 |
| | 3a | the place , culture , or family that someone comes from originally （某人的）祖籍，背景，根 | | Computerizing these old records will help people trace their roots. 把这些旧档案输入计算机将有助于人们寻找自己的根。 | | go back to your roots With this latest book the author goes back to his Scottish roots. 凭借着这本新书，作者回到了他在苏格兰的根。 | |
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| 4 | C a basic cause or idea 根本原因（或思想）；根源 |
| an unusual film with an ingenious idea at its root 一部根本思想上独具匠心的独特电影 |
| +of We need to get to the root of the problem. 我们必须找到问题的根源。 |
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| 5 | C the root of a number in mathematics is another number that , when multiplied by itself a particular number of times , equals that number . For example , 3 is the square root of 9 and the cube root of 27. （数学中的）根（如3的平方根是9，立方根是27） |
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| 6 | C linguistics the most basic form of a word , or a word that is the base for other words 词根 |
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| 7 | C technical the note that forms the base of a chord in music （音乐中的）根音 |
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| 8 | C medical the end of a nerve that is closest to the centre of your body （神经的）根 |
| PHRASES |
| - | blush/flush to the roots of your hair BRITISH
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| to have a very red face because you are embarrassed |
| 窘得满脸通红 |
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| - | put down roots
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| 1 | to become a part of the community where you live by making friends and taking part in local activities （人）定居下来，扎根 |
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| 2 | if a plant puts down roots, its roots become strong and established （植物）生根，扎根 |
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| - | root and branch
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| involving all parts |
| 彻底的；完全的 |
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| The Party wanted root and branch electoral reform. 该党希望对选举进行彻底的改革。 |
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| - | take root
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| 1 | if a plant takes root , it begins to grow somewhere （植物）生根，扎根 |
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| 2 | if an idea , belief , or system takes root , it becomes established and accepted （思想、信仰或体制）被接受，深入人心 | Compromise is essential if peace is to take root in this troubled area. 和平要在这个动荡的地区得以实现，就必须妥协。 | |
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