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Ball pump
01
球泵, 充气球的器具
a device used to inflate sports balls, such as soccer balls and basketballs, by forcing air into them
ball pump
n
例子
The coach lent me his ball pump to inflate the volleyball before the game.
He used the ball pump to inflate the soccer ball to the correct pressure.
She quickly grabbed the ball pump to add more air to the basketball.
Don't forget to pack the ball pump for practice today.
