About half the smoke generated from a cigarette is sidestream smoke.
香产生的一半是侧流。
About half the smoke generated from a cigarette is sidestream smoke.
香产生的一半是侧流。
Sidestream smoke contains essentially the same compounds as does smoke inhaled by the smoker.
侧流的分与吸者吸入的分是基本相同的。
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