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    1. quantum

      英 ['kw?nt?m] 美['kwɑnt?m]
      • n. 量子論;額;美國昆騰公司(世界領(lǐng)先的硬盤生產(chǎn)商)

      GRETOEFL中低頻詞常用詞匯

      詞態(tài)變化


      復(fù)數(shù):?quanta;

      中文詞源


      quantum 量子

      來自拉丁語quantus,多大,多少,-um,中性格。用于物理名詞量子。

      英文詞源


      quantum (n.)
      1610s, "one's share or portion," from Latin quantum (plural quanta) "as much as, so much as; how much? how far? how great an extent?" neuter singular of correlative pronominal adjective quantus "as much" (see quantity). Introduced in physics directly from Latin by Max Planck, 1900; reinforced by Einstein, 1905. Quantum theory is from 1912; quantum mechanics, 1922; quantum jump is first recorded 1954; quantum leap, 1963, often figurative.

      雙語例句


      1. The scale of migration took a quantum leap in the early 1970s.
      20世紀(jì)70年代初,移民的規(guī)模驟然擴(kuò)大。

      來自柯林斯例句

      2. Both quantum mechanics and chaos theory suggest a world constantly in flux.
      量子力學(xué)和混沌理論都表明世界永遠(yuǎn)處于不斷變化中。

      來自柯林斯例句

      3. The vaccine represents a quantum leap in healthcare.
      這種疫苗的問世是醫(yī)療保健領(lǐng)域的重大突破。

      來自柯林斯例句

      4. Each person receives his proper quantum.
      每人得到應(yīng)有的一份.

      來自《簡明英漢詞典》

      5. His mind moves in quantum leaps, manipulating ideas and jumping on to new ones as soon as he can.
      他的腦子飛快地轉(zhuǎn)著,分析著各種想法,還不時冒出新的點子來。

      來自柯林斯例句