coverern.培土器
covern.封面;盖子;套子;表面v.覆盖;涉及;包含;掩护;给…保险
cover tightness紧度
cover of cooler冷却器盖
Covering domain覆盖领域
covered conduit暗管道,暗沟
cover a chapter占据一章的篇幅
covering velvet密绒天鹅绒
covered walkway廊
covering radius覆盖半径
covering player保护队员
covered rearing覆盖育