“持久地”造句
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 have long lasting relationship with customers.