middle ground buoy中文,middle ground buoy的意思,middle ground buoy翻译及用法 2026-03-21 20:13 浏览次数 18 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