Ketoindole
羥吲哚
??? 情景例句
Really. I didn't like math.
真的。我不喜歡數(shù)學(xué)。
This writer uses vivid descriptions in his writings.
這個作家在他的文章使用生動的描述。
Mr Brain has just heard Zheng Jie playing the piano in a concert.
布雷恩先生剛聽了鄭杰在音樂會上的鋼琴演奏。