单词 | block signal |
释义 | block signalnouna fixed railroad signal governing the movements of trains entering and using a given section of track. Origin of block signalFirst recorded in 1880–85 OTHER WORDS FROM block signalblock signaling, nounWords nearby block signalblock plane, block print, block printing, block release, block sampling, block signal, block system, block tin, block trade, block vote, blocky Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for block signal
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