rock elm
参考词典中rock elm的常规释义：
基本释义
- 木栓榆
英英解释
2个名词解释
- tall widely distributed elm of eastern North America
[同] rock elm, ulmus thomasii - large ornamental tree with graceful gradually spreading branches common in eastern North America
[同] american elm, rock elm, ulmus americana, water elm, white elm
点击查看……- tall widely distributed elm of eastern North America
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