For example, are these crops safe to humans and other species that inhabit Earth?
例如,这些作物对人类和居住在地球的其他物种安全吗?
And worse, Komarov's chances for a safe return to Earth were dwindling fast.
更糟糕的是,科马罗夫安全返回地球的机会正在快速流失。
The astronauts could use the space station as a safe haven in the event of major problems and rotate back to Earth aboard Russian Soyuz spacecraft, eliminating the need for a shuttle rescue mission.
航天飞机升空后倘若遭遇重大故障,航天员可以将空间站作为安全的避难所并搭乘俄罗斯“联盟”号飞船返回地球,并借以取消航天飞机升空救援任务的必要性。
应用推荐