long leaf tobacco

例句：

1. 1.Long leaf tobacco is a popular smoking material in many Asian countries.
   长叶烟草是许多亚洲国家流行的吸烟材料。
2. 2. The long leaf tobacco plant is native to the tropical regions of Southeast Asia.
   长叶烟草植物原产于东南亚的热带地区。
3. 3.Long leaf tobacco is often used in traditional Chinese medicine to treat various ailments.
   长叶烟草常用于传统中医治疗各种疾病。