可能时，卧床病人可取端坐位或将床头抬高到40-90度。半年前，这位冯云卿尚安坐家园享福。
A. Sit upright or elevate head of bed 45 to 90 degrees for bedridden client if possible . Until six months ago , this Feng Yun-ching had enjoyed an idle , comfortable life down in the country .
尚安