a Gordian knot
n.难解的结, 棘手的问题
热门单词
- a skeleton in the closet
- abborrent
- abnormal market
- abominator
- abrasive grain sizes
- absolute Ampere
- absolute atmosphere
- absolute demand
- abstrusity
- acatastatic
- accelerating space
- accelerator pump lever
- accessory carina
- accessory vascular supply
- according to Cocker
- accrued interest on bond sold
- accumulator case
- acetate dope
- acetpyrogall
- acetylene flasher
- aching void
