单词	alpine lady fern
释义	alpine lady fern noun : a fern (Athyrium americanum) with deeply cut leaf segments found in the Rocky mountains Word History First Known Use 1917, in the meaning defined above
随便看	double gun double helix double house double hyphen double in double indemnity double insurance double jeopardy double jeopardy clause double jump double killing double knit double letter double liability double long double meaning double monastery double mordent double murder double negative double nelson double note double numeration double occupancy double octave

英语词典包含469781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。