| 例句 |
Astronauts have problems moving around in the spacecraft because they are virtually weightless.宇航员在太空船里活动有困难，因为他们基本上处于失重状态。Do you know how an astronaut flies in a spacecraft?你知道太空人是怎样乘太空船飞行的吗？ The scientists sit behind banks of computers, giving instructions to the crew of the spaceship.科学家们坐在一排排电脑前面，向太空船上的宇航员发布指令。Spacecraft are vehicles used for flight in outer space.太空船是用于太空飞行的交通工具。 |