中英释义：
双语例句
参加选拔赛选手要求：演唱参赛报选歌曲。
The contestants of the selective trials: sing the song.
重点词汇
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参加
participate in; participate; join; attend; involve; catch; enter; attach; take part; take part in; engage in; be involved in; get involved in; work for; partake; go along; part; entry; participation; attendance; in; in attendance
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选拔
select; choose; pick; elect; screen; recruit