英语词汇“wigwag 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	wigwag signal
释义	wigwag signal noun : a signal at a railway grade crossing that indicates the approach of a train by the horizontal swinging of a disk
随便看	lace grass laceleaf laceless lacelike lace lizard lace paper lace pillow lace plant lacepod lacer lacerability lacerable lacerate lacerated laceration laceration lacerative lacerta lacertae lacertae lacertian lacertid lacertidae lacertiform lacertilia

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