词汇“正射线”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	正射线
释义	正射线正射线[zhèng shè xiàn]1.■{物} anode rays; canal rays; positive rays 常用词组1.■正射线抛物径迹 {物} positive-ray parabolas
随便看	at arm's length at arms' length at a rough estimate at a sacrifice at a shot at a single jet at a single winding at a snail's gallop at a snail's pace a taste of cold steel at a stick at a stretch (=on a stretch) at a time at a touch A tattler is worse than a thief. ataunt,-to at a venture atavic atavism atavist atavistic atavistically atavistic regeneration atavus at a walk

国际大辞典收录了835600条英语、德语、日语等多语种在线翻译词条，基本涵盖了全部常用单词及词组的翻译及用法，是外语学习的有利工具。