energy source
(law, historical) A widow's share of her husband's estate in addition to her jointure.
(dialect) A bird, the wagtail.
Alternative form of Badong
A source from which useful energy can be extracted or recovered either directly or by means of a conversion or transformation process (e.g. solid fuels, liquid fuels, solar energy, biomass, etc.)
多くの農村地域では、冬の間、薪を主要なエネルギー源として頼っています。
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