您要查找的是不是：
- 阿利維A酸alitretinoin<抗腫瘤藥>
- 阿維A酸acitretin
- 芳維A酸all-trans-aritinoic acid
- 維A酸霜Retinoids
- 酸化acidification
- 不僅A而且not merely A but also B
- 羧酸carboxylic acid
- 與其說(shuō)A不如說(shuō)not so much A as B
- 半胱氨酸cysteine
- 酸洗acid cleaning
- A股A-share
- 甘氨酸glycine
- 把A誤以為take A for B
- 賴(lài)氨酸lysine
- 氨酸amino acid
- 精氨酸arginine (Arg)
- 色氨酸tryptophan
- 核苷酸ribonucleotide
- 丙酮酸pyruvic acid
- 磺酸sulfoacid
