单词	F layer
释义	F layer noun : the highest and most densely ionized regular layer of the ionosphere occurring at night within the F region Word History First Known Use 1928, in the meaning defined above
随便看	hoven Hovenia Hovenweep National Monument hover hover (over) hover hawk hover over hovercraft hovercrafts hovered hovered (over) hovered over hoverer hoverers hoverfly hovering hovering (over) hovering accent hovering act hovering over hovering stress hoverplane hoverports hovers hovers (over)

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。