我妈妈打开了暖气，因为今天很冷。
My mum turned on the heating because it's cold today.
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heating英 /ˈhiːtɪŋ/|美 /ˈhitɪŋ/
My mum turned on the heating because it's cold today.
My mum turned on the heating because it's cold today.
My mum turned on the heating because it's cold today.
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