ceiling serve造句

• The low ceiling serves double duty as bulletin board, dotted with postcards from students.
• The leading explanation is that price ceilings serve to coordinate collusion among suppliers who would otherwise compete on price.
• White cloth hung from the ceiling served as the projection screen for the cinema, where the audience sat on hard wooden benches and chairs.
• Other fault serves include a ceiling serve, in which the ball touches the ceiling after the front wall, and serving before the receiving player is ready.