accidental event
偶然事件
热门单词
- abutting joint
- accelerant
- acetylase
- acoustic lens
- acoustic methanometer
- acquired building
- acrasin
- acritochromacy
- Acronize
- action mechanism
- activation device = trigger device
- actual delivered density
- acyl enzyme
- adaptive value
- adenophyllous
- adiagnostic
- adjustable hand punch
- adrenalin dxidase
- advent
- aerial craft pollution
- aerial infrared scanner
