例句：

　　They practiced the dance until it was perfect.

　　他們反復(fù)練舞，直到盡善盡美為止。

　　He practiced skating all year round.

　　他一年四季練習(xí)滑冰。

　　She practiced playing the flute this afternoon.

　　今天下午，她練習(xí)了吹奏長笛。