scented poplar

例句：

1. 1. The scented poplar trees in the park are a welcome sight in the spring.
   公园里的香胶树在春天是一道美丽的风景。
2. 2. The scented poplar trees were planted along the riverbank to provide shade and fragrance.
   香胶树被种植在河岸两旁，为人们提供荫凉和香气。
3. 3. The scented poplar trees have been used for centuries as a source of timber and medicine.
   香胶树作为一种木材和药材的来源，已经使用了好几个世纪。