复数： splashdowns

From liftoff to splashdown , glenn was aloft for 4 hours , 55 minutes and 23 seconds .

从发射到溅落，格伦在空中呆了4小时55分钟23秒。

The first private spacecraft to visit the international space station made a dramatic return home thursday with a precise splashdown in the pacific ocean off the southern california coast .

周四，首艘同国际空间站（internationalspacestation）对接的私人飞船返回地球，精准溅落南加州海岸外的太平洋海域。

Six of the dracos are needed for re-entry and eventually spacex hopes to use an updated version of them to allow pinpoint landings on solid ground , rather than the ocean splashdown that will be used initially .

其中6个dracos推进器被用于再入过程，spacex公司希望以后的飞船最终能够定点着陆在陆地上，而不是像最初那样在海洋中溅落。