air mark
verb
[with object] To mark (a building or other feature) so as to be identifiable from the air; to provide (an identifying sign) in this way.
Origin
1920s; earliest use found in The Times.
| 单词 | air mark |
| 释义 | air markverb [with object] To mark (a building or other feature) so as to be identifiable from the air; to provide (an identifying sign) in this way. Origin |
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