absence regulation
旷课处理办法
热门单词
- above board
- above the heads of
- abrasive lapping
- abridgment
- abstraction of observed values
- abutilon
- acceptance letter of credit
- accommodation davit
- accordancy
- accounting clerk
- accumulator terminal
- acetylated paper
- achromobacter
- acid circulation
- acid fast bacteria
- acid mordant dyes
- acid resisting black varnish
- acidicflux
- acorn nut
- acoustic centre
- acoustic field
