long column短语⁷⁰⁰¹⁶ 基本例句 长柱 For instance, a mixture of substances in solution is passed slowly down a long column packed with alumina. 例如,溶液中的混合物质缓慢的通过装满氧化铝的柱体。 iciba Witnesses and video footage meanwhile showed a long column of pro- Mousavi supporters filing through a part of north Tehran. 目击者和摄像机镜头都看见排成一长队的穆萨维支持者在德黑兰北部行进。 yeeyan