A piano has black keys and white keys.

钢琴有黑白两种琴键。

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She has black shining eyes.

她有一双乌黑明亮的眼睛。

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A crowlike Old World bird of the genus Pyrrhocorax has black plumage and red legs.

红嘴山鸦东半球的一种似乌鸦的山鸦属鸟类，有黑色羽毛和红色的腿部。

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One woman has black skin, another has white skin and the third has yellow skin.

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and my father has black hair.

而我父亲的头发是黑色。

I used to实战 - SpeakingMax英语口语达人

My friend Nassim Talib has just written a book about it called-- maybe I'll talk about that--called The Black Swan.

我的朋友纳西姆·塔利博刚刚写了一本书,叫做"黑天鹅现象",以后我会再讲到

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The pale green skirt has black trim, embroidered with auspicious symbols such as peony, peach, pomegranate and butterflies.

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The energetic piece has black, blue and gray geometric shapes, including arrows and circles, on a dark gray background.

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The DX, by contrast, has black-and-white electronic ink display built for easy readability.

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