更新时间：2026-07-07 23:45:57
grey birch
grey birch是什么意思？
灰桦(桦木科)
- 单词
- grey birch
灰桦(桦木科)
Noun:- medium-sized birch of eastern North America having white or pale grey bark and valueless wood; occurs often as a second-growth forest tree
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