expansion：张开，伸展；扩张，膨胀

词根词缀：ex-出 + -pans-延伸,扩展 + -ion

• tablet
• table tennis
• tabloid
• taboo
• tabor
• tabular
• tabulate
• tabulator
• tacet
• tacho-
• tachogragh
• tachometer
• tachygraphy
• tacit
• taciturn
• tack
• tackie
• tackle
• tackler
• tacky
• taco
• tact
• tactful
• tactic
• tactical