practiced是什么意思

　　例句：

　　They practiced the dance until it was perfect.

　　他们反复练舞，直到尽善尽美为止。

　　He practiced skating all year round.

　　他一年四季练习滑冰。

　　She practiced playing the flute this afternoon.

　　今天下午，她练习了吹奏长笛。