This is 4, 200 kilometers of high voltage air lines, among which there is a record holder for extra-high voltage (1150 kV).

这是4200千米长的高空高压电线，其中最高电压纪录是1150千伏。

youdao

In a shocking result, world record holder Elena Isinbaeva of Russia failed to medal in the pole vault.

VOA: standard.2009.08.18

Martin is a good bet for podium finishes for the AIM team while Manx-based Welshman Griffiths is a former lap record holder and a course specialist.

BBC: SPORT | Motorsport | Motorbikes | Bike battle beckons

Four track meets and six races later, Robinson was an Olympic champion and a joint world record-holder.

CNN: Golden girl: The first Olympic speed queen

The 39-year-old is a former marathon world record holder and has two Olympic 10, 000 metres silver medals in addition to five world cross country titles.

BBC: Tergat in Great Ireland Run field