The progression of the disease can be retarded by early surgery.早期手术可以抑制病情的发展。The heavy rain retarded our progress.大雨妨碍了我们的进展。...a special school for mentally retarded children.为智障孩子设立的特殊学校He was so slow that many though...
头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。Overhead, the chopper roared and the big blades churned the air.在南大街上，一座巨大的砖砌建筑赫然出现在人们的视线中。On South Main Street, a huge brick building looms into view.乳牛的喂养方法发生了巨大的改变。The feeding of dairy cows ha...