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出典:Wiktionary
出典:『Wiktionary』 (2013/10/28 16:29 UTC 版)
wind sock (複数形 wind socks)
wind + sock
windsock (複数形 windsocks)
出典:Wikipedia
出典:『Wikipedia』 (2011/07/01 17:57 UTC 版)
A windsock is a conical textile tube designed to indicate wind direction and relative wind speed. Windsocks typically are used at airports and at chemical plants where there is risk of gaseous leakage. They are sometimes located alongside highways at windy locations.
wind sock