但销售始终不如“红”、“阿”两种烟。

"But sales is always better than" red ", "Ah," two kinds of smoke."

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维生素b3有两种基体形式——烟酸(又称烟酸)和烟酰胺(也称为烟酰胺)。

Vitamin B3 comes in two basic forms - niacin (also called nicotinic acid) and niacinamide (also called nicotinamide).

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二手烟至少会使猫产生两种致病的癌症，淋巴瘤和口腔癌。

Secondhand smoke causes at least two fatal cancers in cats: lymphoma and oral carcinoma.

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