常見例句I have stopped my daily practice on the Petrof pianoforte for nearly four years.As I touch the black and white keys, I experience the sheer delight all over again. 自從升國三就沒有正式坐在鋼琴前，現(xiàn)在接觸那些黑白鍵，有一種遙遠(yuǎn)又熟悉的感覺。Petrof Bay 彼特洛夫?yàn)?是美國制造的航母 返回 Petrof