Metal content in tobacco leaf primarily is driven by the metal content of the soil in which it is grown, rather than resulting from processing.27.

烟叶中的重金属含量是由其产生的土壤带入的，而不是在生产加工过程中人为添加。

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There was a layer of silver leaf outside the metal.

金属外边有一层银薄膜。

youdao

To hammer or cut (metal) into thin leaf or foil.

两条金箔固定在一根细金属杆上。

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Aluminum was an expensive and fashionable new metal in the 1930s, and although silver leaf is more commonly used and cheaper today, Mr. Malkin went for aluminum and authenticity in the restoration by EverGreene Architectural Arts.

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