There have been two failures: The shuttle Challenger and seven astronauts were lost just after launch in January 1986 due to an O-ring seal leak in a solid rocket booster that led to an explosion.

有两次失败的教训：1986年1月刚刚发射过后，一个固体火箭助推器的O型圈密封泄漏导致的爆炸，使我们失去了挑战者号和7名宇航员。

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Children were seated at tables and given unlimited access to plates of apple or peach cookie bars - two foods the youngsters had rated as "just o."k..

在早期的实验，孩子们被安排坐在桌边，桌上摆满了一盘盘的苹果和桃子条——这是两种孩子们比较喜欢的食物，孩子们可以随便吃。

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It had just struck one. I told myself I would wait another hour and then, if Marguerite were not back by two o 'clock, I would leave for Paris.

一点钟刚刚敲过，我心里想我再等她一个小时，倘使到了两点钟玛格·丽特还不回来，我就动身到巴黎去。

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Junaid reached his century off his 121st delivery, nine of which he hit for four, but lasted just two more balls, Kevin O'Brien claiming the wicket.

BBC: Porterfield scores century as Ireland beat Bangladesh

"Listen, two things just happened, " O'Brien joked.

CNN: Larry King: I want to be frozen

And Chicago chef Rick Bayless, who has been long content to limit his Mexican food empire to the city's downtown, has just announced the opening of two new restaurants at O'Hare.

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