But the veil of secrecy, and the barriers thrown up by the cold war, have meant that the Soviet half of the space race remains, by comparison, a largely unknown story.

但是由于冷战导致的壁垒，加之苏联隐秘的作风，致使前苏联太空竞赛的大半细节仍不得而知。

youdao

The crowd, which had been thin for the first half of the race, had now grown considerably.

上半场比赛时观众稀稀拉拉的，现在则大大增多了。

《柯林斯英汉双解大词典》

Sixteen per cent of white voters said that race had an influence on their decision-and almost half of those 16% suggested that they would not support Mr Obama in the general election.

16%的白人选民说种族对他们的选择有影响——这16%的人中几乎有一半说他们在大选中不会支持奥巴马先生。

youdao

The absence of practice sessions makes the hour-and-a-half race-morning course inspection all the more crucial.

BBC: Sport - Winter Sports - Alpine skiing: Super-G

The Irish 2, 000 Guineas winner went off at 4-6 but was held up by jockey Richard Hughes until the final half-furlong of the mile-long race.

BBC: Canford Cliffs wins Sussex Stakes at Goodwood

So at the end of the 6.2-mile race, which is a half-hour long, a lot of running, Begley realizes her competition is with the clock and she kicks it into high gear.

NPR: Olympic Hopefuls Compete at Track and Field Trials