单词	offer voluntarily
释义	offer voluntarily 自愿帮助
随便看	overall information system overall inspect overall inspection overall instability overall instability constant Overall installation overall instructure overall integration over all Integration overall interaction modes overall interests overall intermodulation overall introduction overall investigation overall investment overall ion concentration overall isentropic efficiency overall isothermal efficiency overall jeans overall labour productivity overall land planning Overall land use planning overall land use planning map overall layout overall lay-out