Last Updated：2025/11/20
Sentence
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They stockpiled bituminous to keep the boilers running through the winter.
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They stockpiled bituminous to keep the boilers running through the winter.
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Related words
bituminous
Noun
uncountable
countable
Japanese Meaning
（不可算）ビチューミナス・コール、すなわち亜炭。 / （可算）亜炭の種類または等級。
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