您要查找的是不是：
- 维生素原ACaritol; Carotin; Provitamin A; β-Carotene
- β-胡萝卜素，胡萝卜烯，橙黄素，维生素原ACaritol; Carotin; Provitamin A; β-Carotene
- 凝血酶原Afraction A prothrombin
- 维生素原的[医] vitaminogenic
- 维生素原B5Pro vitamin B5
- 胃蛋白酶原Apepsinogen A
- 维生素原vitamin precursor
- 猪胃蛋白酶原Apepsinogen A
- 维生素原，前维生素provitamin
- 把A误以为take A for B
- 胃蛋白酶原A表现型pepsingen A phenotype
- 浆果中含有维生素C。Berries contain vitamin C.
- 把A视为looked upon A as B
- 把A比喻compare A to B
- 把A换成exchange A for B
- 他原是个相当平常的学生。He was rather a pedestrian student.
- 我得了一个A-。I got an A minus.
- 这是原画还是模本?Is this the original drawing or is it a copy?
- 把A误认为mistake A for B
- 把椅子放回原处。Put the chair back in position.
