conservation
/,kɔnsə:'veiʃn/
danh từ
- sự giữ gìn, sự duy trì, sự bảo tồn, sự bảo toàn
- conservation of energy: sự bảo toàn năng lượng
Đồng nghĩa
preservationprotectionsafeguarding
Trái nghĩa
exploitationwastedestruction
Định nghĩa tiếng Anh
n. an occurrence of improvement by virtue of preventing loss or injury or other change\nn. the preservation and careful management of the environment and of natural resources\nn. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations