单词	step-down fix
释义	step-down fix step-down fix A fix permitting additional descent within a segment of an instrument approach procedure by identifying a point at which the controlling obstacle has been safely overflown. AcronymsSeeSDF
随便看	callithricidae callithrix callithrix (cebuella) pygmaea callithrix jacchus callithrix pygmaea callithump callithumpian callithumpianly callithump parade call it in call it into call it into question call it off call it out call it quits call it quits, to callitrichaceae callitrichales callitriche callitris callitris calcarata callitris columellaris callitris cupressiformis callitris endlicheri callitris glauca

英语词典包含2567994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。