名词
中文翻译：内衬
同义词：
['inner lining', 'inner layer', 'liner', 'lining']
例句：
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1. Thecoat has a sub-coat made of wool to keep it warm.
这件外套有一层羊毛制成的内衬，以保持其保暖。
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2. The car's engine compartment is lined with a sub-coat of leather.
汽车发动机舱内衬有一层皮革。
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3. The shoes have a sub-coat of leather that protects the foot from the cold.
鞋子内衬有一层皮革，保护脚免受寒冷。