a Gordian knot
棘手的问题, 难解的结, 关键
热门单词
- a month of Sundays
- abdomen obstipum
- Acanthopanax Miq.
- accidentia
- account transfer check
- accounting act
- accounting for branch office
- accounting reorganization
- accrual basis accounting
- accrued taxes estimated
- accuracy index
- accusing
- acenaphthenylidene
- acentric factor
- acetate dye
- acetate staple fiber
- acetylene lamp
- Achorion lebertii
- Achromatium
- Achromobacter pestifer
- acid plant
