The living organisms somehow concentrated the minerals by biological processes.生命体通过某种生物过程聚集矿物质。Most development has been concentrated in and around cities.土地开发主要集中在城市及周边地区。He was calm and concentrated in judging how to ...
潮衣服在晒衣绳上结冻了.The wet clothes has frozen on the clothesline.她把洗的衣物夹在凉衣绳上.She pegged the washing on the line.在纲丝绳上跳舞是一种特技Dancing on a rope is an acrobatic feat....