定义
to grind: 磨碎,磨快
to grind coffee研磨咖啡豆
to grind meat把肉绞碎
to grind one's teeth磨牙
ground coffee磨碎的咖啡
This is an irregular verb:
I grind / I ground / I have ground
Pronunciation examples
UK: I grind my teeth whilst I'm asleep.
US: Grind your own coffee beans for a fresher cup of coffee.