rè shēn
热身   

释义
        "热身"是指正式比赛前进行训练、比赛，使适应正式比赛并达到最佳竞技状态。
"热身(rè shēn)" means to do some exercise or have matches before the formal or final games, so to enable the athletes to reach their perfect physical conditions.

例句

1.  Yóu yǒng zhīqián, nǐ zuìhǎo zuòzuò rè shēn yùndòng.
     游泳之前，你最好做做热身运动。
     You have to warm up before you go swimming.
2、Wèile qǔdé lǐxiǎng de chéngjì, xuǎnshǒumen zài bǐsài zhīqián zǒng yào zuò chōngfèn de rè shēn yùndòng.
     为了取得理想的成绩，选手们在比赛之前总要做充分的热身运动。 
     To get a satisfactory result, players will always have to do sufficient warm-up exercise before the race.

• formal [´fɔ:məl]   a.正式的；外表的   (初中英语单词)
• enable [i´neibəl]   vt.使能够；赋予权力   (初中英语单词)
• physical [´fizikəl]   a.物质的；有形的   (初中英语单词)
• satisfactory [,sætis´fæktəri]   a.令人满意的   (初中英语单词)