It did not furnish an explantation for the heat generated by friction.它未能圆满地解释因摩擦而产生的热.kinetic friction动磨擦In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝...
...the man whose aerial heroics helped save the helicopter pilot...以空中的英雄壮举拯救了直升机飞行员的人An aerial photograph of the field shows clearly where the buildings were.这一场地的空中照片清晰地显示出这些建筑物的位置。So a separate rotating aerial is used...
Traditional crafts remain remarkably unchanged by the slow incursion of modern ways.传统工艺继续保持原有的特色,没有因现代化手段的缓慢引入而改变。In July Belgium's jobless rate was unchanged at 8.2% of the workforce.7月份，比利时的失业率没有发生变化，仍占劳动人口的8.2%。...
His actions were commended by the Jury.他的所作所为受到了陪审团的赞许。The book was widely commended for its candour.这本书以其直言不讳而广受好评。The dying man commended his soul to God.那个将死的人把自己的灵魂托付给上帝....