He had to make four pit stops during the race.是什么意思？

He had to make four pit stops during the race.

他不得不在比赛过程中4次停车进站。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

make

vt. 做，制造，生产，制定，使成为，使产生；vi. 开始，尝试，行进，增大；n. 制造，生产量，性格，形状，样式；

例句
I can't abide people who can't make up their minds...
我受不了优柔寡断的人。

four

num. 四，四个，第四；n. 四个人（或事物）的一组，得四分的一击，四人赛艇；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。

pit

n. 井，煤矿，麻子，（赛车道旁的）修理加油站；vt. 使有麻子，使有凹陷；vi. 凹陷，起凹点；

例句
The problem is we don't have a bottomless pit of resources...
问题是我们没有取之不尽的资源。

stops

v. 停止( stop的第三人称单数 )，中断，逗留，（使）停止工作；

例句
It should be a great week, with overnight stops in assorted hotels in the West Highlands.
那一周会过得很开心，晚上可以在西部高地上的各式旅馆里过夜。

during

prep. 在…的时候，在…期间，当…之时，其间；

例句
...the accrual of funds used during construction.
建设过程中资金的累积

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

race

n. 赛跑，竞争，人种，民族；v. 参加比赛，使比赛，快速移动，剧烈跳动；

例句
I am very critical of the adequacy of Britain's race laws...
我对英国种族法律的适当性颇有微词。