| 释义 |
🔑 rootBrE /ruːt/NAmE /ruːt/ noun➤of plant 植物🔑 [C] the part of a plant that grows under the ground and absorbs water and minerals that it sends to the rest of the plant 根；根茎◆deep spreading roots 扎得很深的根◆I pulled the plant up by (= including) the roots. 我把这棵植物连根拔起。◆Tree roots can cause damage to buildings. 树根会给大楼造成损害。◆root crops/vegetables (= plants whose roots you can eat, such as carrots) 根茎作物/蔬菜The living world 生物界Animals 动物- animals mate/breed/reproduce/feed (on sth) 动物交配/繁育/繁殖/以…为食
- fish/amphibians swim/spawn (= lay eggs) 鱼/两栖动物游动/产卵
- birds fly/migrate/nest/sing 鸟飞翔/迁徙/筑巢/啼叫
- insects crawl/fly/bite/sting 昆虫爬/飞/咬/叮
- insects/bees/locusts swarm 昆虫/蜜蜂/蝗虫成群地飞来飞去
- bees collect/gather nectar/pollen 蜜蜂采蜜/花粉
- spiders spin/weave a web 蜘蛛结网/织网
- snakes/lizards shed their skins 蛇/蜥蜴蜕皮
- bears/hedgehogs/frogs hibernate 熊/刺猬/青蛙冬眠
- insect larvae grow/develop/pupate 昆虫的幼虫生长/发育/化蛹
- an egg/a chick/a larva hatches 卵孵化；小鸡出壳；幼虫孵出
- attract/find/choose a mate 吸引/找到/选择配偶
- produce/release eggs/sperm 产卵；排卵；产生/释放精子
- lay/fertilize/incubate/hatch eggs 产卵；使卵受精；孵卵
- inhabit a forest/a reef/the coast 栖居于森林/礁石/海岸
- mark/enter/defend (a) territory 标出/进入/保卫领地
- stalk/hunt/capture/catch/kill prey 悄悄接近/猎杀/捕获/杀死猎物
Plants and fungi 植物和真菌- trees/plants grow/bloom/blossom/flower 树木/植物生长/开花
- a seed germinates/sprouts 种子发芽
- leaves/buds/roots/shoots appear/develop/form 叶子/花蕾/根茎/幼苗长出来/长大/成形
- flower buds swell/open 花蕾含苞欲放/绽放
- a fungus grows/spreads/colonizes sth 菌类生长/扩散/长满…
- pollinate/fertilize a flower/plant 给花/植物授粉
- produce/release/spread/disperse pollen/seeds/spores 长出/传播花粉/种子/孢子
- produce/bear fruit 结果
- develop/grow/form roots/shoots/leaves 长出根茎/嫩芽/叶子
- provide/supply/absorb/extract/release nutrients 提供/吸收/提取/释放营养物
- perform/increase/reduce photosynthesis 进行/增加/减少光合作用
Bacteria and viruses 细菌和病毒- bacteria/microbes/viruses grow/spread/multiply 细菌/微生物/病毒生长/扩散/繁殖
- bacteria/microbes live/thrive in/on sth 细菌/微生物在…中存活/大量生长
- bacteria/microbes/viruses evolve/colonize sth/cause disease 细菌/微生物/病毒进化/长满…/引发疾病
- bacteria break sth down/convert sth (into sth) 细菌（将某物）分解/转化（成某物）
- a virus enters/invades sth/the body 病毒进入/侵入某物/身体
- a virus mutates/evolves/replicates (itself) 病毒变异/演化/（自我）复制
- be infected with/contaminated with/exposed to a new strain of a virus/drug-resistant bacteria 感染上/接触到一种新病毒/抗药性细菌
- contain/carry/harbour/ (
especially US) harbor bacteria/a virus 带有细菌/病毒 - kill/destroy/eliminate harmful/deadly bacteria 杀灭有害的/致命的细菌
➡ see also grass roots, taproot ➤of hair/tooth/nail 头发；牙齿；指甲🔑 [C] the part of a hair, tooth, nail or tongue that attaches it to the rest of the body 根；根部◆hair that is blonde at the ends and dark at the roots 发梢金黄而发根褐色的头发➤main cause of problem 问题的主要原因🔑 [C, usually sing.] the main cause of sth, such as a problem or difficult situation 根源；起因◆Money, or love of money, is said to be the root of all evil. 有人说钱和爱钱是万恶之源。◆We have to get to the root of the problem. 我们必须找到问题的根源。◆What lies at the root of his troubles is a sense of insecurity. 他的一切忧虑源于一种不安全感。◆What would you say was the root cause of the problem? 你认为问题的根源是什么？➤origin 起源🔑 [C, usually pl.] the origin or basis of sth 起源；基础；根基◆Flamenco may have its roots in Arabic music.弗拉门科可能起源于阿拉伯音乐。➤connection with place 与地方相关🔑 roots [pl.] the feelings or connections that you have with a place because you have lived there or your family came from there 根（指与出生地或原籍相关联的情感或联系）◆I'm proud of my Italian roots. 我为我的意大利血统感到骄傲。◆After 20 years in America, I still feel my roots are in England. 尽管在美国生活了 20 年，我还是觉得我的根在英格兰。➤of word 单词 [C] (linguistics 语言学) the part of a word that has the main meaning and that its other forms are based on; a word that other words are formed from 词根◆'Walk' is the root of 'walks', 'walked', 'walking' and 'walker'. walk 是 walks、walked、walking 和 walker 的词根。➤mathematics 数学 [C] a quantity which, when multiplied by itself a particular number of times, produces another quantity 方根；根 ➡ see also cube root, square root  ●put down ˈroots(of a plant 植物) to develop roots 生根to settle and live in one place 定居◆After ten years travelling the world, she felt it was time to put down roots somewhere. 游历世界十年之后，她觉得该是找个地方定居的时候了。●ˌroot and ˈbranchthoroughly and completely 完全彻底◆The government set out to destroy the organization root and branch. 政府着手完全彻底地摧毁这个组织。◆root-and-branch reforms 全面彻底的改革●take ˈroot(of a plant 植物) to develop roots 生根(of an idea 思想) to become accepted widely 植根；深入人心◆Fortunately, militarism failed to take root in Europe as a whole. 幸运的是，军国主义没有能够深入整个欧洲。 🔑 rootBrE /ruːt/NAmE /ruːt/ verbpresent simple - I / you / we / they root BrE /ruːt/ NAmE /ruːt/present simple - he / she / it roots BrE /ruːts/ NAmE /ruːts/past simple rooted BrE /ˈruːtɪd/ NAmE /ˈruːtɪd/past participle rooted BrE /ˈruːtɪd/ NAmE /ˈruːtɪd/ -ing form rooting BrE /ˈruːtɪŋ/ NAmE /ˈruːtɪŋ/➤of plants 植物 [I, T] ~ (sth) to grow roots; to cause or encourage a plant to grow roots （使）生根➤search 寻找 [I] to search for sth by moving things or turning things over 翻寻 SYNrummage◆~ (about/around) for sthpigs rooting for food 拱土觅食的猪◆Who's been rooting around in my desk? 谁乱翻我的书桌了？◆~ (through sth) (for sth) 'It must be here somewhere,' she said, rooting through the suitcase. “它一定就在这里的什么地方。” 她一边说一边翻着衣箱。➤sex 性 [I, T] ~ (sb)(AustralE, NZE, taboo, slang) to have sex with sb （与某人）性交 ●ˈroot for sb [no passive] () (informal) to support or encourage sb in a sports competition or when they are in a difficult situation （体育比赛或遭遇困难时）给…助威，给…加油◆We're rooting for the Bulls. 我们为公牛队加油。◆Good luck—I'm rooting for you! 祝你好运，我支持你！●ˌroot sth/sb↔ˈoutto find the person or thing that is causing a problem and remove or get rid of them 找到并去除（祸根）；根除to find sb/sth after searching for a long time 终于发现（或找到）●ˌroot sb to ˈsthto make sb unable to move because of fear, shock, etc. 使（因害怕、惊吓等）呆住不动◆Embarrassment rooted her to the spot. 她尴尬得呆住了。●ˌroot sth↔ˈupto dig or pull up a plant with its roots 连根挖起；连根拔起 |
