There's a new breed of astronauts in town.

现在有一群新的宇航员正在培训中。

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Since that time, hundreds of astronauts have been into orbit, but none has ventured further.

从那时起，已经有数百名宇航员进入轨道，但是，没有人再做进一步的尝试。

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The storms' charged particles can be a hazard to the health of astronauts and passengers on high altitude flights.

磁暴的充电粒子对航天员与在高空飞行器上的旅客的健康构成危害。

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To explore the surface of the moon, astronauts must be able to survive outside the protection of their spacecraft.

VOA: special.2009.07.01

One of the astronauts, discovering the plot, attempts to stop Hal.

其中的一个宇航员,发现了它的阴谋,试图阻止哈尔

耶鲁公开课 - 死亡课程节选

This is a very important mission and so there is a computer program named Hal that helps run the ship and takes a lot of the burdens off of the part of the human astronauts who are on the ship.

这是一项非常重要的任务,因此,一个被命名为哈尔的计算机程序,被安排协助飞船的运行,减轻飞船上,人类宇航员的负担

耶鲁公开课 - 死亡课程节选

However, there is some evidence for the weakening in all muscles, including the hearts of astronauts.

BBC: Liquid-living worms survive space

Starting in November, NASA will start taking applications for a new class of astronauts.

FORBES: Looking For Work? NASA Is Hiring Astronauts

At that time NASA was seeking applications for a second group of astronauts for the Apollo program.

FORBES: Neil Armstrong's Immortal Footprint