Vocabulary

• step back: To move backwards; to move away from something.
• check out
• of course: Sure ; Certainly
• good: Proper, appropriate or right
• acknowledge: To say you have received a letter, gift, etc.
• check: Paper showing how much you owe at a restaurant
• land: Region or country
• clear: Empty; without anything in it or on it
• speed: How fast or slow something is or is done
• descend: To go down; to move from a higher to a lower place
• humidity: Amount of moisture in the air in a particular area
• evening: To make something level; to flatten
• arrival: When someone or something gets to at a place
• runway: Long road where planes take off and land
• autopilot: (For ships, planes) automatic navigational device
• tram: Vehicle that runs on cables or rails
• checklist: List of tasks and things to be checked
• anytime: At a time you choose, it's not important when