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.
双语例句
1. The scale of migration took a quantum leap in the early 1970s.
20世纪70年代初，移民的规模骤然扩大。
来自柯林斯例句
2. Both quantum mechanics and chaos theory suggest a world constantly in flux.
量子力学和混沌理论都表明世界永远处于不断变化中。
来自柯林斯例句
3. The vaccine represents a quantum leap in healthcare.
这种疫苗的问世是医疗保健领域的重大突破。
来自柯林斯例句
4. Each person receives his proper quantum.
每人得到应有的一份.
来自《简明英汉词典》
5. His mind moves in quantum leaps, manipulating ideas and jumping on to new ones as soon as he can.