He dragged a foot when he walked, a leftover from polio.他走路时一瘸一拐的，那是小儿麻痹的后遗症。He wore leg braces after polio in childhood.他幼时得过小儿麻痹症后双腿安上了支架。Polio was then endemic among children my age.那时小儿麻痹症在我这个年纪的孩子中很常见。...
resembling frostbite but without freezing像冻伤又没有冻The survivors suffered from frostbite.生还者身上有冻伤。She is suffering from frostbite on her ears.她的耳朵生了冻疮.Objective : To evaluate the effect of Marvelous Frostbite Curing Liquid ...
开坯、粗轧、 热轧 窄带钢支承辊.Blooming and slabbing mills , the back - up rolls of narrow strip mills.锡含量高的SUS304HC含铜奥氏体不锈钢初轧开坯时容易出现开裂现象.SUS 304 HC austenite stainless steel with more Sn cracks in the course of blooming mostly....