1. rack up的解释

1. He racked up his legs in the car accident.
    他在车祸中伤了双腿。

2. The home team racked up fifty points in the football game.
    主队在那次足球赛中得到五十分。

1. rack up

1. 排放完：rack tooth 齿条齿 | rack up 排放完 | rack wheel 棘轮

2. 获胜：rack rent 最高年租 | rack up 获胜 | rack wheel 大齿轮

3. 积累,积聚,逐步增加：tend to do sth. 倾向于 , 易于 , 往往会 | rack up 积累 , 积聚 , 逐步增加 | the Stone Age 石器时代

4. 获胜,击倒：convenient 方便的,便利的 | rack up 获胜,击倒 | survey 调查

1. （商业上）大量获得（利润），遭受(严重损失)，热销；（体育中）获胜，得（分）
    If a business racks up profits, losses, or sales, it makes a lot of them. If a sportsman, sportswoman, or team racks up wins, they win a lot of matches or races.

    e.g. Lower rates mean that firms are more likely to rack up profits in the coming months...
           更低的费率意味着各公司更有可能在未来的几个月中大幅获利。
    e.g. India while not racking up such an impressive score beat Japan 3-0.
           印度尽管没有大胜，却也以3比0击败了日本。

1. supply a rack with feed for (horses or other animals)

2. defeat thoroughly

    e.g. He mopped up the floor with his opponents

    Synonym: worstpipmop upwhip

3. gain points in a game

    e.g. The home team scored many times
           He hit a home run
           He hit .300 in the past season

    Synonym: scorehittally

4. place in a rack

    e.g. rack pool balls