如题所述
十二岁书写形式:12、twelve,twelve years old.例如:
①:She is 12 years old / She is twelve / She is twelve years old.(她12岁了)
②:She is a twelve-year-old girl.(她是一个12岁的女孩儿)
拓展:12 years old 和 12-year-old的区别
12 years old 是做表语,表示十二岁。
12-year-old是做定语,表修饰,形容词性:“12岁的”.