英语词汇“ball signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ball signal
释义	ball signal noun : an object like a ball hoisted manually to the top of a track-side pole in early railroading to indicate that the way was clear for an approaching train — compare highball
随便看	skew skew skew aileron skew arch skewback skewbald skew bevel gear skew bridge skew chisel skew curve skew distribution skewed skewed skewed aileron skewer skewer skewerer skewering skewerwood skew facet skew field skew gear skew-gee skew hinge skewing

英语词典包含332784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。