Among teenagers the picture is similar.There are fewer teenaged smokers from upper-income, well-educated families, and fewer from families living in farm areas.

 
  • 在十几岁的青少年当中也有类似情况,那些来自高收入、高知识家庭和乡村家庭的孩子吸烟的人数较少。
今日热词
目录 附录 查词历史