avoid vt. 避免
a great variety of things 种类很多
made several trips to the bathroom 上了好几趟厕所
get your stools tested 做一个大便检查
write out a slip 开一张化验单
take your seat, 请坐
due to 因为,由于
医生护士英语会话(独家推出,绝对原创)4 在急诊室