7、diseasenames通常做单数,但也有单复数都可arthritis关节炎bronchitis支气管炎diabetes糖尿病measles麻疹mumps腮腺炎病phlebitis静脉炎rabies狂犬病rickets软骨病Phlebitisisaswollen肿胀的conditionofthebloodvessels血管.p.23B.gamenames通常做单数(cards纸牌做复数)Cards(打纸牌) are not allowed here.billiards台球bowls保龄球draughts国际跳棋m