conservation

名词 n.
中文释义

英文释义

名词 n.
  1. The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation. countable,uncountable
  2. Wise use of natural resources. countable,uncountable
    — “My father had ideas about conservation long before the United States took it up.[…]You preserve water in times of flood and freshet to be used for power or for irrigation throughout the year. …”
  3. The discipline concerned with protection of biodiversity, the environment, and natural resources countable,uncountable
  4. Genes and associated characteristics of biological organisms that are unchanged by evolution, for example similar or identical nucleic acid sequences or proteins in different species descended from a common ancestor countable,uncountable
  5. The protection and care of cultural heritage, including artwork and architecture, as well as historical and archaeological artifacts countable,uncountable
  6. lack of change in a measurable property of an isolated physical system (conservation of energy, mass, momentum, electric charge, subatomic particles, and fundamental symmetries) countable,uncountable

词形变化

conservations plural

词汇关系

衍生词
anticonservation anticonservationist conservational conservation biology conservationism conservationist conservation law conservation of energy conservation of mass cryoconservation geoconservation hyperconservation law of conservation of mass microconservation neuroconservation nonconservation proconservation reconservation soil conservation ultraconservation

词源

From Old French. By surface analysis, conserve + -ation.
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