| 单词 | sudden oak death |
| 释义 | > as lemmassudden oak death sudden oak death n. a serious disease affecting various trees and shrubs of temperate regions, caused by the oomycete fungus Phytopthora ramorum, and characterized by distinctive bleeding cankers on the trunk.Named from its affect on oaks in the United States, where it was first described. ΚΠ 2000 Marin (Calif.) Independent Jrnl. 14 May a1/4 The cause of what is being called 'sudden oak death' remains a mystery. 2007 Backpacker May 40/1 More than a decade after sudden oak death first appeared in the forests north of San Francisco, its toll is still rising. 2012 Western Mail (Nexis) 15 Feb. 11 Sudden oak death originated in the US, and is a misnomer in the UK as it does not affect British oak trees. < as lemmas |
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