皂荚树

例句：

1. 1. The soap tree is a symbol of purity and cleanliness.
   皂荚树是纯洁和清洁的象征。
2. 2. The soap tree produces soap, which is used in daily life.
   皂荚树生产肥皂，在日常生活中使用。
3. 3. The soap tree is a popular choice for those seeking natural and eco-friendly products.
   皂荚树是那些寻求自然和环保产品的热门选择。