Plants grow in soil which has a dark colour . This dark soil is humus.

植物生长在黑色的土壤里, 这种黑色土壤叫腐殖上.

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Plants grow in rich, dark soil.

作物在肥沃的黑土地里生长.

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She lifted a handful of dark soil for him to look at.

她抓起一满把黑色的土壤让他看.

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Plants grow in soil which has a colour. This dark soil is humus.

腐殖上下面的土壤并不黑,这种浅色土壤很像沙子,它是由碎石变成的.

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