Worker at carbon black plant.

在碳黑色厂工人。

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Photo by Worker at carbon black plant John Vachon.

工人摄于炭黑厂约翰瓦谢。

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A black plant louse that lives on oaks and dogwoods.

寄居在橡树和椋木上的黑色木虱。

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Black cohosh is an herb that comes from the root or underground stems of a tall plant in the buttercup family.

VOA: special.2009.05.19

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