灰色
gray
英 [greɪ] 美 [ɡre]
双语例句：
1.I like that little gray one. The kids like that one too.
我喜欢那只灰色的小鸭子， 孩子们也喜欢那只。
2.Once again he found himself inside the apartment in the enormous gray house.
他又一次发现自己在那所庞大的灰色的房子的房间里了。
3.They get their name not from their skin color, which tends to be olive to gray, but rather from the blue-black color of the inside of their mouth, which they displaywhen threatened.
它们并不是因为皮色而得名，它们的皮色有点橄榄色到灰色之间，而是由于当它们受到威胁时，张开嘴巴，嘴巴里面颜色是蓝黑色而得名的。
