关系代词和关系副词引导定语从句.Relative pronouns and adverbs introduce attributive clauses.请用线画出短文中的名词性从句.Please underline the noun clauses in the passage.使用书上的if从句.Use the if clauses on these pages....
lying supine on the floor仰卧在地板上I lay supine on the poolside grass.我仰面躺在游泳池边的草地上。The decubitus positions are used if there is overlying bowel gas in the supine position.如果仰卧位上有肠道气体,则可以采用卧位....a willing and supine executiv...