摘要:Actinobacillus　　放线杆菌属 Actinobacillus actinomycetemcomitans　伴放线菌放线杆菌 Actinomyces　　放线菌属 Actinomyces georgiae　乔格放线菌 Actinomyces gerencseria　杰锐斯放线菌 Actinomyces israelii　[阅读全文]

摘要:He has pain in his teeth or jaw. (他的牙齿和下巴疼痛。) He has some problems with his teeth. (他牙齿有问题。) The tooth hurts only when he bites down on it. (他咬东西时，牙齿就痛。) (动词时态：hurt, h[阅读全文]