| A | B |
|---|
| inning | a part of a baseball game during which each team bats |
| foul | outside the field of play in baseball |
| play-offs | a series of games played to decide a championship in sports |
| respectable | pretty good |
| backstop | a fence behind home plate |
| control | the ability to guide something |
| obstacles | things that block progress |
| spectators | people who watch an event |
| pace | speed |
| mushers | drivers of teams of sled dogs |
| checkpoint | a place where vehicles are inspected |
| cargo | things carried by a ship or vehicle |
| launches | puts into action by force |
| mission | an operation that is assigned to achieve certain goals |
| orbit | the path of a spacecraft around the earth |
| satellite | a device made to orbit the earth while performing a task |
| space shuttle | a spacecraft launched like a rocket that can return to Earth and land like a plane |
| specialist | one who becomes an expert in a particular field |
