VOA慢速英语:冰淇淋成太空站补给品

capsule – n. a small pressurized vehicle for space flight

cargo – n. something that is carried from one place to another by boat, airplane, etc.

vision – n.​ the ability to see : sight or eyesight​

rock – v. to be very enjoyable, pleasing, or effective

boss – adj. great or excellent