pre-teenagersBNC²³⁶²¹³⁺¹ 基本例句 络少年原型pre-teenager的复数 Part of the issue here is what teenagers and pre-teenagers are accustomed to using computers for. 孩子们已习惯使用电脑，而问题在于，他们用电脑做什么。 yeeyan These studies indicate that hundreds of thousands of teenagers and even pre-teenagers are in danger. 这些研究也指出，成千上万的青少年，甚至更小的儿童也正处于危险之中。 blog.sina.com.cn