About half the smoke generated from a cigarette is sidestream smoke.
香烟
一半烟是侧流烟。
About half the smoke generated from a cigarette is sidestream smoke.
香烟一半烟是侧流烟。
Sidestream smoke contains essentially the same compounds as does smoke inhaled by the smoker.
侧流烟包含
分与吸烟者吸入分是基本相同。
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