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    1. expansion

      英 [?k'sp?n?(?)n; ek-] 美[?k'sp?n??n]
      • n. 膨脹;闡述;擴(kuò)張物

      CET4TEM4IELTS考研TOEFLCET6中頻詞常用詞匯

      詞態(tài)變化


      復(fù)數(shù):?expansions;

      英文詞源


      expansion (n.)
      1610s, "anything spread out;" 1640s, "act of expanding," from French expansion, from Late Latin expansionem (nominative expansio) "a spreading out," noun of action from past participle stem of Latin expandere "to spread out" (see expand).

      雙語(yǔ)例句


      1. This revolutionary expansion required energetic nation-building policies.
      這種跨越式的擴(kuò)張需要有活力的國(guó)家建設(shè)政策。

      來(lái)自柯林斯例句

      2. The memory expansion cards are useful adjuncts to the computer.
      內(nèi)存擴(kuò)充卡是計(jì)算機(jī)很有用的附件。

      來(lái)自《權(quán)威詞典》

      3. the expansion and contraction of the metal
      金屬的膨脹與收縮

      來(lái)自《權(quán)威詞典》

      4. a period of rapid economic expansion
      經(jīng)濟(jì)迅猛發(fā)展期

      來(lái)自《權(quán)威詞典》

      5. We mustn't attempt unrestricted expansion regardless if it is within our capacity.
      我們不能不顧自己的能力企圖無(wú)限制地發(fā)展.

      來(lái)自《簡(jiǎn)明英漢詞典》