| 摘要 |
A smoking article having a mouth end and a distal end is provided, including a heat source; an aerosol-forming substrate downstream of the heat source; at least one air inlet downstream of the aerosol-forming substrate; and an airflow pathway extending between the at least one air inlet and the mouth end of the smoking article. The airflow pathway includes a first portion extending longitudinally upstream from the at least one air inlet towards the aerosol-forming substrate, and a second portion extending longitudinally downstream from the first portion to the mouth end of the smoking article. |
