单词	line of sight
释义	line of sight noun phrase 1 : a line from an observer's eye to a distant point 2 : the line between two points specifically : the straight path between a transmitting antenna (as for radio or television signals) and a receiving antenna when unobstructed by the horizon Word History First Known Use 1559, in the meaning defined at sense 1 Medical Definition line of sight noun 1 : a line from an observer's eye to a distant point 2 : line of vision
随便看	sixty-two sixtyfold sixtyish sixtypenny nail sixxest Siyakhpush siyakhpushes sizable sizableness sizablenesses sizabler sizablest sizably sizal sizar sizars sizarship sizarships size size block size bone size down size stick size up sizeable

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。