名詞 organic chemistry:

1. the chemistry of compounds containing carbon (originally defined as the chemistry of substances produced by living organisms but now extended to substances synthesized artificially)

1. In collage I specialize in organic chemistry.
   在學(xué)院里我主修有機化學(xué)。
2. I am not good at organic chemistry.
   我的有機化學(xué)學(xué)得不好。