For every one hour, they will spend on a spacewalk, astronauts need to train seven hours in the pool.

宇航员在太空漫步中花费的每一个小时，都是他们在泳池里训练7个小时换来的。

youdao

No one had been killed and no one was trapped in the train during the accident.

这次事故中，没有人死亡，也没有人被困在火车里。

youdao

However, a law in the 19th century forced railway companies to run one cheap train a day which stopped at every station and cost only a penny a mile.

然而，19世纪的一项法律强制铁路公司每天开一趟便宜的火车，这种火车在每个车站都停，每英里只花一便士。

youdao

The puppeteers train for many years to move as one in bringing the puppet to life to act in complex theater productions.

VOA: special.2009.09.23

This is where I grow up in Hiratsuka, Japan Hiratsuka is about one hour by train from Tokyo.

这是日本的平冢,平冢距离东京大约一个小时的火车车程。

麻省理工公开课 - 媒体、教育、市场课程节选

because it's one of the most beautiful train stations in the world, really, I think.

因为我真的认为它是世界上最美的火车站之一。

中央车站的历史 - SpeakingMax英语口语达人

The high speed train crash in Germany is set to become one of the worst train disasters in European history.

BBC: clapham

Hyperoxic swim lanes allow swimmers to train in one location at a variety of altitudes, as the lane can be adjusted to simulate different altitudes.

FORBES: Olympic Gold Medalist Rowdy Gaines Leads Fundraising Effort For USA Swimming

On some lines one train in five isn't running.

BBC: News Online