作用在构架外露的结构物上的载荷,大部分是由拖曳载荷构成.The major portion of the loading on an open frame structure consists of the drag loading.采用的手法一些是精细的、一些是外露的.Some of these techniques are subtle and some are blatant.外露的垫片需用铝箔胶带密封.Exposed alumi...
Foods and fluids are mixed in the stomach by its muscular contractions.通过胃部肌肉的收缩食物和流质在胃中混合。He may suddenly take a dislike to foods that he's previously enjoyed.对以前爱吃的食物，他兴许突然就没了胃口。It is always important to choose en...
His research is for the betterment of mankind.他的研究是为全人类造福。Anyway, regardless of the resolution , we are all making a commitment toward betterment.不管怎么说, 别提决心, 我们都在保证朝着更好努力.I appreciate his many contributions to the bette...
Her tight - lipped friend had kept it a secret.她那守口如瓶的朋友对这事一直保密.Military officials are still tight-lipped about when or whether their forces will launch a ground offensive.军官们对于什么时候以及是否发动地面进攻依然守口如瓶。He was sitting at the ...
Modern weapons have greater range, accuracy, speed, and lethality than anything ever dreamed of before.现代的武器比从前所梦想的任何武器射得更远, 射得更准, 速度更快, 而且更具有杀伤力.The Mk 46 provides long - range lethality while engaging small, high - spe...