synthetic tobacco

例句：

1. 1. The synthetic tobacco is a popular alternative to traditional cigarettes.
   合成烟草是传统香烟的流行替代品。
2. 2. Many smokers switch to synthetic tobacco as a way to reduce their nicotine intake.
   许多吸烟者通过转向合成烟草来减少尼古丁摄入量。
3. 3. Synthetic tobacco contains additives that may be harmful to health.
   合成烟草含有可能对健康有害的添加剂。