Smoking is a causative factor in several major diseases.抽烟是引起几种严重疾病的病因。Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.抽烟时吸入的尼古丁和一氧化碳都已经被标定为致病因素。Plasmodium is ...
家庭假日就是从平淡的日常生活中解脱一下。Family holidays are meant to be a break from routine.生活平淡的一面the prosaic side of life她极少有机会谈论自己枯燥平淡的生活。It was rare for her to have an opportunity to discuss her dull, uneventful life....