steely 鋼鐵的，剛鐵般的，
(色澤、硬度、強度等)似鋼的，鋼鐵般的
嚴格的
steel blue，查WIKIPEDIA的結果：
Steel blue is a shade of blue that resembles blue steel, i.e., steel which has been subjected to bluing in order to protect it from rust. It is one of the less vibrant shades of blue; usually identified as somewhat bluish-grey.
the original is reported by The New York Times--Tuesday, February, 14, 2012
參考yahoo字典
hue:顏色、色彩；呼喊、吶喊
同:color, tint, shade,
變:hues
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