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70年代初，移民的規(guī)模驟然擴大。
來自柯林斯例句
2. Both quantum mechanics and chaos theory suggest a world constantly in flux.
量子力學和混沌理論都表明世界永遠處于不斷變化中。
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.