评论
打印
1.The SpaceX Crew Dragon spacecraft with two NASA astronauts on board, Robert Behnken and Douglas Hurley, successfully docked on the International Space Station 19 hours after lift-off.
on board 在火车（飞机、轮船）上
The six astronauts on board will spend ten days in space.
飞船上的6名宇航员将在太空度过10天。
2.This launch marks an exciting turning point for American space exploration.
turning point 转折点，转机
The promotion marked a turning point in her career.
这次提升标志着她事业上的转折点。
3.This launch marks an exciting turning point for American space exploration. NASA, said President Trump, “will now . . . embark on the most difficult, most daring most audacious missions of humankind:
embark on 着手，开始从事
Redundancy is the spur for many to embark on new careers.
裁员促使很多人开始从事新事业。
