使用一次药剂防治难于持久地控制害虫.Rarely can permanent control be achieved by a single application of spray.五是稳定持久地加强基础研究.Fifth, strengthening basic research in a steady and sustained way.每个企业努力持久地与顾客保持合作关系.Every business strives to hav...
It is dishonorable to shirk military service.逃避兵役是可耻的.George has made himself cheap by his dishonorable behaviour.乔治品行不端,使自己名声扫地.You can't deny that Tom has been an idle, worthless, dissolute and dishonorable rogue....