a fly in amber
n.保存得好的珍贵遗物
热门单词
- a suit of dittos
- aborigines
- abortive enterprise
- abovedeck
- abridgable
- absolute retention time
- abstract verb
- access plate
- accommodation acceptor
- accordancy
- account of executors
- accounting department
- acetal formation
- acetylacetone
- acetylethanolamine
- acid brittleness
- acid embossing
- acoustic mine
- acoustic quartz
- acoustic signal
- acoustic torpedo
