例句：

　　They practiced the dance until it was perfect.

　　他們反復練舞，直到盡善盡美為止。

　　He practiced skating all year round.

　　他一年四季練習滑冰。

　　She practiced playing the flute this afternoon.

　　今天下午，她練習了吹奏長(cháng)笛。