他自称是一名记者，经常四处游历。He claimed to be a journalist, and he got around.从1879到1888年，他游历于德国、瑞士和意大利等地。From 1879 to 1888 he wandered about Germany, Switzerland, and Italy.她游历了英国各地。She has travelled the length and breadth of Britai...
Gingham fabrics always look fresh and pretty.方格花布织物看上去总是鲜亮好看。a blue and white gingham dress蓝白格子布连衣裙The chambermaid in our corridor wears blue checked gingham aprons.给我们扫走廊的清洁女工围蓝格围裙....
缩孔和缩松是球墨铸铁特有的废品现象.Shrinkage and dispersed shrinkage are the special waster of ductile iron.分析了缩孔产生的原因,消泡剂的作用机理并介绍了预防缩孔的措施.The reasons of crater and action mechanisms of antifoaming agents were analysized.取消冷冒口后,缩孔、缩松问题成功...