1. 戴德伍德：布拉克山的游览胜地,除戴德伍德(Deadwood)这一古老的矿山城镇和拉什莫尔山国家保护区(Mount Rushmore National Monument)外,还有朱厄尔洞穴国家保护区(Jewel Cave National Monument)、温德岩洞国家公园(Wind Cave National Park)和卡斯特州立公园,
2. 力材：载重船 dead weight vessel | 力材 deadwood | 力材线 deadwood line
3. 枯枝：deadweight 自重 | deadwood 枯枝 | deadwork 无益之工
noun
1. deadwood的反义词
1. someone or something that is unwanted and unneeded
Synonym: fifth wheel
2. a branch or a part of a tree that is dead