Rhus

例句：

1. 1. The elm tree is a symbol of strength and resilience.
   榆树象征着力量和韧性。
2. 2. Poplar trees are often used for lumber in the construction industry.
   杨树常用于建筑行业中的木料。
3. 3. The beauty of the elm tree is its ability to withstand harsh winter conditions.
   榆树的美丽在于它能抵御严寒的冬季条件。