navigation light
短语航空灯,灯塔
词形变化
navigation lights
复数
navigation lights
form
复数
释义与例句
n.
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1.
one of two or more lights fitted to a ship or aircraft, which indicate position and direction taken, especially important at night. Internationally recognised colours are red on the port side, and green on the starboard side.
航空 商务 工程 航海 交通