您要查找的是不是：
- A scientist specializing in chemistry. 化学家专门研究化学的科学家
- Tom specialize in chemistry. 汤姆研究化学。
- No one can cope with him in Chemistry. 在化学方面，谁也比不上他。
- In college I specialize in organic chemistry. 在学院里我主修有机化学。
- I specialize in organic chemistry. 我主修有机化学。
- I have lost my interest in chemistry. 我对化学已不感兴趣。
- Notwithstanding he tried hard, he failed in chemistry. 尽管很努力，他化学考试还是没及格。
- Tom specializes in chemistry. 汤姆研究化学。
- John was conditioned in chemistry. 约翰被允许补考化学。
- In fact, we specialize in this in with a long history. 其实我们专营此项商品已有多年的历史了。
- She instructs a class in chemistry. 她给某班学生上化学课。
- They were conditioned in chemistry. 他们得补考化学。
- I specialize in the sale of cotton piece goods. May I act as your agent? 我专营棉布买卖，我可作为你们的代理吗？
- We make experiments in chemistry every day. 我们每天都做化学实验。
- In collage I specialized in organic chemistry . 在学院里我主修有机化学。
- a scientist who specializes in chemistry. 专门研究化学的科学家。
- In college I specialized in organic chemistry. 在学院里我主修有机化学。
- The teacher examined the students in chemistry. 教师考了学生化学。
- I got a degree in Chemistry from Boston University. 我获得了波士顿大学化学专业的学位。
