quantum
英 ['kw?nt?m]
美['kwɑnt?m]
- n. 量子论；额；美国昆腾公司（世界领先的硬盘生产商）
GRETOEFL中低频词常用词汇
词态变化
复数:?quanta;
中文词源
quantum 量子
来自拉丁语quantus,多大，多少，-um,中性格。用于物理名词量子。
英文词源
- 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.
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.
- 他的脑子飞快地转着，分析着各种想法，还不时冒出新的点子来。
来自柯林斯例句