曾: 曾副词(表示有过某些行为或情况; 曾经) (used to indicate past action or state) once; formerly; sometime ago 短语和例子几年前我曾见过她一面。 i met her once several years ago. 他曾旅居海外多年。 for many years he had lived beyond th
供应: supply; accommdate 短语和例子供应某人食品 supply sb. with food; 敞开供应 can be bought without any restriction; 计划供应 planned supply; 市场供应 supply of commodities; market supplies; 医药品供应 medical supplies; 供