| 释义 |
〔naled〕A nonpersistent chemical, C4H 7O 4PBr 2Cl 2, used for mosquito control and as an insecticide against crop pests. 二溴磷:一种非永久性化学药品,C4H 7O 4PBr 2Cl 2,用来抑制蚊子并作为杀死农作物害虫的一种杀虫剂 〔caducity〕The quality or state of being perishable; impermanence.昙花一现:易逝的状态或性质;非永久性〔finite〕Existing, persisting, or enduring for a limited time only; impermanent.暂时的:只存在、坚持或忍受一段有限的时间;非永久性的 |