药物: medicinal; medicine; medicant; medication; drug; pharmaceuticals; medicaments 短语和例子药物医治 heal with drugs; 药物过敏 drug allergy; 药物化学 pharmaceutical chemistry; 药物中毒 drug poisoning
相对: 1.(面对面) opposite; face to face 短语和例子相对而坐 sit opposite [facing] each other; sit face to face2.(非绝对的) relative 短语和例子相对真理 relative truth3.(比较的) relatively; comparatively 短语和例子相对地说 comparative