The jaw joint of carnivores such as dogs and cats has the mechanical advantage of being at the same level as the tooth row, allowing the jaw
佳答案: 区别: 1、代表个数不一样:tooth表示一个,teeth就是表示两个或者两个以上。 2、形式不一样:tooth是单数,teeth是tooth更多关于tooth的问题>>
The jaw joint of carnivores such as dogs and cats has the mechanical advantage of being at the same level as the tooth row, allowing the jaw
佳答案: 区别: 1、代表个数不一样:tooth表示一个,teeth就是表示两个或者两个以上。 2、形式不一样:tooth是单数,teeth是tooth更多关于tooth的问题>>