a yawning hole
豁开的洞
热门单词
- abnormal condition
- absence of proof
- absolute index of refraction
- acaridan
- Accelerator Key
- acceptor centre
- accidental death insurance
- acclaim
- accord with
- accounting of construction contractors
- accounting program
- accounting uses of the computer
- accretive
- accumulated patent amortization
- accumulator tanks
- acesal
- acetamido
- acetone dichloride
- acetylenic bond
- Achalme's bacillus
- achieved reliability
