常見例句Keywords teen agers;social support;mental analysis;data collection; 青少年;社會(huì)支持;精神分析;資料收集;Caries Status of the First Permanent Molars of Teen - agers in Guangdong. 廣東省青少年第一恒磨牙患齲情況分析。He prefers to assort with people of his own age. 他更喜歡與自己的同齡人交往。Even the best quality rubber will perish with age. 就是最佳質(zhì)量的橡膠也會(huì)因老化而腐爛。He come to the fore as a physicist at an early age. 他在早年就成了傑出的物理學(xué)家。The average age of the boys in this class is fifteen. 本班男生的平均年齡是十五嵗。 返回 teen-agers