ab
名词 ab:
a bachelor's degree in arts and sciences
同义词:Bachelor of Arts, BA, Artium Baccalaurens
the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August)
同义词:Av
the muscles of the abdomen
同义词:abdominal, abdominal muscle
the blood group whose red cells carry both the A and B antigens