| 单词 | run in |
| 释义 | run in 1 ．（of a new car or one with a new engine） drive it slowly and carefully until the engine runs freely and easily（指新汽车或换上新引擎的 汽车）缓慢而谨慎地试开；试车 *We had better allow plenty of time，as I can't drive fast ； the car isn't run in yet．我们最好把时间留宽裕些，我不能把车子开得很快，因为还没有试过车。 *The workers are running in the new machines．工人们正在试开那些新机器。 2．visit casually非正式地访问；顺便看望 *Run in and see me this evening．今晚请到我家来坐坐。 *She lived close by and was used to running in whenever she was free．她住在附近，一有空就过来看我们。 3．convey in（usu．in a car）把…送到；送入（通常指用汽车） *I'll run you in to the station in a few minutes．我马上就用车送你到车站去。 4．introduce引进 *They ran the liquid through a tube．他们把液体通过试管引进来。 |
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