a leap year
闰年
热门单词
- abdominal delivery
- abuse du droit
- abuse of discretion
- academic rank
- accidental bursa
- accidental omission
- accounting
- accounting disposition of variances
- accredited representative
- accumulator tester
- acetophenazine
- acetyl butylaniline
- acetyl phosphate
- acetylated paper
- acetylsulfadiazine
- achromic
- acid brick
- acid fuchsin
- acid open-hearth process
- acid resistance
- acid seal paing
