a vicious spiral
n.恶性螺旋形上升, 恶性循环
热门单词
- ability factor
- abrasive wheel
- absarokite
- absolute heating effect
- absolute monarchy
- accelerated
- acceleration sensitive element
- accident conditions
- according to priority
- account bill
- accumulator relief
- accurate pointing
- acetaminophenol
- acetazolamide
- acetone extract
- acetylacetic ester
- Achilles jerk
- acid silica
- aconitase
- acoustic input impedance
- acoustic radar
