middle ground buoy中文,middle ground buoy的意思,middle ground buoy翻译及用法 2026-06-24 08:32 浏览次数 27 middle ground buoy英[ˈmidl ɡraund ˈbu:i:]美[ˈmidl ɡraʊnd ˈbui]中沙浮标,[水运] 航道中浅滩浮标