英语词汇“root”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	root
释义	root —root /ruːt/ Ⅰ noun [C] (CAUSE/ORIGIN) 1 C1 the cause or origin of something bad: » We must get to the root of (= discover the cause of) this problem.» What is/lies at the root of the problem is their lack of interest.» The high crime rate has its roots in unemployment and poverty.» So what's the root cause of his anxiety?Thesaurus⁺: ↑Origins and sources roots B2 [plural] 2 F0 origins: » The city of Tours can trace its roots back to Roman times.→ _{SEE ALSO} GRASSROOTS(Cf. ↑grassroots) adjectiveThesaurus⁺: ↑Origins and sources Ⅱ noun [C] (IN MATHEMATICS) 1 F0 _SPECIALIZED a solution of some equations (= mathematical statements) Thesaurus⁺: ↑Calculations and calculating , ↑Addition, subtraction, multiplication and division 2 F0 _SPECIALIZED A root of a particular number is another number that, when multiplied by itself one or more times, reaches that number: » The square root of 64 is 8, and the cube root of 64 is 4.Thesaurus⁺: ↑Terms for numbers Ⅲ noun [C] (OF TOOTH/HAIR/NAIL) ► F0 the part of a hair, tooth, or nail that is under the skinThesaurus⁺: ↑HairThesaurus⁺: ↑The skin, hair and bone of non-human animals Ⅳ noun [C] (PLANT PART) ► B2 the part of a plant that grows down into the earth to get water and food and holds the plant firm in the groundThesaurus⁺: ↑Parts of plants • • • Extra Examples:» We moored the boat to a large tree root.» He took hold of the plant's root and pulled.» The tree's roots go down three metres.» Grow the bulbs in a transparent plastic box, so the children can see the roots growing.» We were discussing the roots of the current economic malaise. Ⅴ noun [C] _SPECIALIZED (OF WORD) ► F0 The root of a word is its most basic form, to which other parts, such as affixes, can be added: » The root of the word 'sitting' is 'sit'.Thesaurus⁺: ↑Morphology and parts of words Ⅵ verb [I usually + adv/prep] (LOOK) ↑Verb Endings for root ► F0 to look for something by turning things over: » She rooted through/among the papers on her desk.» The pigs rooted for acorns in the forest.Thesaurus⁺: ↑Searching Ⅶ verb [I] (PLANT) ↑Verb Endings for root ► F0 to grow roots: » The trees failed to root and so died.Thesaurus⁺: ↑Flowers - general words , ↑Flowers and flowering plants
随便看	tee sth up teeter teeter on the brink/edge of sth teeter-totter teeth teethe teeth-gnashing teething problems teething troubles teetotal teetotaller tee up TEFL Teflon tel. tele- telecommunications telecommute telecommuter telecommuting telecoms teleconference teleconferencing telecottage telecottaging

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