单词 photodissociate 释义 photodissociate, -dissociationsee photo- 3.{var l=document.getEl......

单词 once 释义 once adv 1 on one occasion only; (for) one time 仅仅一次; （作为）一次 I&ac......

单词 on 释义 on adv part (For special uses with many vs, eg hang on, go on, take sth on, s......

字词 预防性服务 释义 【计】 preventive service 　 汉译英翻译词典收录405719条汉英翻译词条，......

字词 预防性白细胞疗法 释义 【医】 preventive leukotherapy 　 汉译英翻译词典收录405719条汉英......

单词 octogenarian 释义 octogenarian n person between 80 and 89 years of age 八旬老人（80至......