单词	under the earth
释义	英華字典資料庫同義詞☞kommun
随便看	hydrogen-deuterium-oxygen hydrogen dew point monitor hydrogen dilution hydrogen dioxide solution hydrogen discharge lamp hydrogen-discharge lamp hydrogen discharge tube hydrogen-discharge tube hydrogen, dissolved hydrogen disulfide hydrogen donator hydrogen donator--hydrogen donor hydrogen donator;hydrogen donor hydrogen donor hydrogen dryer hydrogen drying hydrogen effect hydrogen electric hybrid vehicle hydrogen electrode hydrogen embrittlement hydrogen embrittlement fracture hydrogene mineral hydrogene minerals hydrogeneous moderator hydrogen equivalent