a long time ago
adv.很久以前
热门单词
- a slant of wind
- AAB
- abarticular
- abnormality
- aboriginally
- abrasive foam
- absolute sterility
- abstract algebra
- academic selection
- acceleration tolerance
- accelerator pedal bracket
- accentuation filter
- accessorize
- accidentproof
- acclimate
- account number
- accuracy block
- acetic oxide
- acetyloxyphenol
- acid Bessemer steel
- acid metal
