conservation
词形变化:
形容词: conservational |
同义词:
preserve | save | keep | protect | store | jam | marmalade | safeguard | go easy on | be careful with | maintain | guard | economise | preserves | keep up | conserves | husband | economize | reserve | retain | withhold |
反义词:
waste |
词义辨析:
同义:
n.保存, 维护, 保护
同义参见: