单语范例（未经PONS编辑处理）
In the 20th century, natural umber pigments began to be replaced by pigments made with synthetic iron oxide and manganese oxide.
en.wikipedia.org From 1905 to 1923 front-line express locomotives were a dark shade of umber.
en.wikipedia.org The coat is light olive white in the under parts and buffy umber brown in the upper parts.
en.wikipedia.org Umber is a brown clay, containing a large amount of iron oxide and between five and twenty percent manganese oxide, which give the color.
en.wikipedia.org They lack the confusion ability of umber hulks due to only having one pair of eyes, but can summon electric eels once per day.
en.wikipedia.org 互联网提供的例句（未经PONS编辑处理）
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de.pebeo.com - The natural minerals such as natural ochres, umbers and Veronese earth colours, carbon black ....
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- natürliche Mineralien, wie das natürliche Ocker, Umbra, Verona Braun und Karbon Schwarz
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