1-spectator 观众

Because of Covid-19, however, there will be no crowds of spectators lining the beaches and viewing sites along Florida's Space Coast to watch the craft hustle toward the ISS.

2-crew-worthy 适合载人的

Years ago, NASA asked the private sector to develop a new generation of crew-worthy spacecraft.

3-abort 使夭折，中止

SpaceX and Boeing were neck-in-neck, but SpaceX emerged as the clear leader after completing a successful test of its crew Dragon spacecraft's emergency abort system in January.

4-dub 把……称为

The Crew Dragon mission in May, dubbed Demo-2, will be the final test for Crew Dragon before NASA transition to operational crewed fights to the space station using the spacecraft.

5-veteran 经验丰富的人，老手

Hurley and Bekhen are both formerly military test pilots and veteran astronauts who previously flew on space shuttle mission.

6-capsule 太空舱，航天舱

7-splash down 航天器降落在海洋里

They will return on the Crew Dragon capsule, which will navigate back through Earth atmosphere and splash down just off Florida's Atlantic Coast.