英语词汇“clear board”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	clear board
释义	clear board noun : a signal to an approaching railroad train that the block ahead is clear
随便看	nanno- nannofossil nannoplankton nannoplanktonic nanny nanny nannyberry nannybush nannygai nanny goat nanny plum nanny tea nano- nano nanogram nanoid nanometer nanoparticle nanophyes nanophyetus nanoplankton nanoscale nanosecond nanosomia nanosomus

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。