black out signal 中文意思是什麼
black out signal
解釋
熄滅信號-
The municipal central meteorological observatory of shanghai said the typhoon will not grow weakened until sunday morning and already sent out a black warning signal saturday
上海市中心氣象觀測站說到周日早上前臺風的勢頭不會減弱,並已在周六頒布了黑色臺風警告。 -
If the red black signal is issued when some students have set out for school -
如紅/黑色暴雨警告信號發出時,學生已經離家上學:
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