单词	7-ups
释义	7-ups 🌏7层
随便看	standard type niche standard type of proembryo standard-type purifying table standard type single-pull hatchcover Standard type single-pull hatch cover standard type sprue former standard type wheeled tractor standard-type wheeled tractor standard u channel standard uncertainty Standard Underwater Research Vehicle standard unified electroweak theory standard union standard unit standard unit cost standard unit of accounting Standard unit of measure conversions standard unit of processing standard unit of value standard unit quantity standard unit rate Standard units and coordinate system Standard Units and Nomenclature standard units memory standard units of mean error