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单词 conservation
释义
conservation
(once / 1009 pages)
1n 2n 3n

Conservation is when you keep something from running out — whether it's plants, animals, or resources. Your new conservation project, "Save the Pigeons," might not catch on as quickly as you'd hoped.
Conservation is closely related to preservation. Both are positive words that give an impression of care and attention. Your habit of never leaving the couch might sound more impressive if you refer to it as "energy conservation."
WORD FAMILY
conservation: conservationist, conservations, conservativist+/conservationist: conservationists/conserve: conservancy, conservation, conserved, conserves, conserving
USAGE EXAMPLES
Mr. Qarau hopes that his conservation work will create a sustainable harvest, enabling Fijians to eat turtles again.
New York Times(Jan 02, 2017)
Goldmark also last month approved expanding nearby Devil’s Lake Conservation Area from 80 acres to 495 acres.
Washington Times(Jan 02, 2017)
We need political will, and the call to readers should be to support conservation action.
Washington Post(Jan 01, 2017)
1
n the preservation and careful management of the environment and of natural resources
Hypo|Hyper
conservancy
the official conservation of trees and soil and rivers etc.
soil conservation
protection of soil against erosion or deterioration
oil conservation
the conservation of petroleum resources
water conservation
the conservation of water resources
preservation, saving
the activity of protecting something from loss or danger
2
n an occurrence of improvement by virtue of preventing loss or injury or other change
Syn|Hyper
preservation
advance, betterment, improvement
a change for the better; progress in development
3
n (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations
Hypo|Hyper
conservation of charge, conservation of electricity
the principle that the total electric charge of a system remains constant despite changes inside the system
conservation of energy, first law of thermodynamics, law of conservation of energy
the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
conservation of mass, conservation of matter, law of conservation of mass, law of conservation of matter
a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system
conservation of momentum
the principle that the total linear momentum in a closed system is constant and is not affected by processes occurring inside the system
conservation of parity, mirror symmetry, parity, space-reflection symmetry
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
principle
a basic truth or law or assumption
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更新时间:2025/3/23 4:57:17