Quizzes for review
The grayline on the map helps radio operators predict when long-distance contacts will become possible.
See correct answer
The grayline on the map helps radio operators predict when long-distance contacts will become possible.
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Related words
grayline
Noun
alt-of
alternative
uncountable
Japanese Meaning
『greyline』の別表記、すなわち、『greyline』と同一の意味を持つ単語
English - English
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