| 单词 | expand |
| 释义 | 🔑 ex·pandAW BrE /ɪkˈspænd/ NAmE /ɪkˈspænd/ verb present simple - I / you / we / they expandBrE /ɪkˈspænd/ NAmE /ɪkˈspænd/ present simple - he / she / it expandsBrE /ɪkˈspændz/ NAmE /ɪkˈspændz/ past simple expandedBrE /ɪkˈspændɪd/ NAmE /ɪkˈspændɪd/ past participle expandedBrE /ɪkˈspændɪd/ NAmE /ɪkˈspændɪd/ -ing form expandingBrE /ɪkˈspændɪŋ/ NAmE /ɪkˈspændɪŋ/ 🔑 [I , T ]to become greater in size , number or importance ; to make sth greater in size , number or importance 扩大，增加，增强（尺码、数量或重要性）◆ Metals expand when they are heated . 金属受热会膨胀。◆ Student numbers are expanding rapidly . 学生人数在迅速增加。◆ A child's vocabulary expands through reading . 孩子的词汇量通过阅读得到扩大。◆ The waist expands to fit all sizes . 腰部可松可紧，适合任何尺码。◆ ~sth In breathing the chest muscles expand the rib cage and allow air to be sucked into the lungs . 呼吸时胸部肌肉使胸廓扩大让空气吸入肺部。◆ The new system expanded the role of family doctors . 新体制扩大了家庭医生的作用。◆ There are no plans to expand the local airport . 目前没有扩建地方机场的计划。OPP contract🔑 [I , T ]if a business expands or is expanded , new branches are opened , it makes more money , etc .扩展，发展（业务）◆ an expanding economy (= with more businesses starting and growing )不断发展的经济◆ ~sth We've expanded the business by opening two more stores . 我们增开了两家商店以扩展业务。[I ]to talk more ; to add details to what you are saying 细谈；详述；详细阐明◆ I repeated the question and waited for her to expand . 我把问题重复了一遍，等着她详细回答。 ● exˈpand on /upon sth to say more about sth and add some details 详述；充分叙述；详细阐明◆ Could you expand on that point , please ? 请你把那一点详细说明一下好吗？ |
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