She's already shaved four seconds off the nationalrecord for the mile.
她已经把1英里赛跑的全国纪录减少了4秒。
《柯林斯英汉双解大词典》
2
I've been working as a volunteer wolf tracker in Yellowstone National Park for over a year. It's my job to follow wolves to record information about them.
我在黄石国家公园做了一年多的狼踪迹志愿者。我的工作是追踪合记录狼的信息。
3
Britain has once again proved a country to be reckoned with in science after landing a nationalrecord four wins at the annual Ig Nobel awards ceremony at Harvard University.