tooth的复数形式
tooth的复数是teeth，变oo为eee。tooth的意思是牙齿，它的复数形式是不规则变化，需要特殊记忆。 tooth的复数使用例句There is a tooth in the box.（改为复数）There are some teeth in the box. How often do you brush your teeth?你多久刷一次牙？ He had nice square...
tooth的复数是teeth，变oo为eee。tooth的意思是牙齿，它的复数形式是不规则变化，需要特殊记忆。 tooth的复数使用例句There is a tooth in the box.（改为复数）There are some teeth in the box. How often do you brush your teeth?你多久刷一次牙？ He had nice square...