单词	nanogram
释义	nan·o·gram (nănə-grăm′) n. Abbr. ng One billionth (10-9) of a gram.
随便看	hemorrhoidal hemorrhoidectomy hemosiderin hemospermia hemostasia hemostasis hemostat hemostatic hemp hemp agrimony hempen hemp nettle hemstitch hemstitcher hen Henan hen-and-chickens henbane henbit hence henceforth henceforward Hench henchman hendecasyllabic

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。