| 单词 | blue oak |
| 释义 | > as lemmasblue oak blue oak n. the oak Quercus douglasii, which has blue-green leaves and is endemic to California; (also) the timber of this; also called mountain oak. ΚΠ 1817 S. R. Brown Western Gazetteer 25 Sugar maple, blue and white oak, black locust. 1884 C. S. Sargent Rep. Forests N. Amer. 143 Quercus Douglassii... Mountain White Oak. Blue Oak. 1935 Altoona (Pa.) Mirror 8 Nov. 18/1 (advt.) Ax handles..your choice of hickory or selected blue oak! 2001 D. D. McCreary Regenerating Rangeland Oaks in Calif. i. 7/1 Blue oak is commonly thought of as a weak sprouter compared to tan oak and California black oak. < as lemmas |
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