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Hailstone
01
small pellet of ice that falls during a hailstorm
例子
The storm's strong winds and hailstones damaged the roof of the house.
Caught in a sudden hailstorm, golf ball-sized hailstones pelted the cars in the parking lot.
The hailstones spatted against the roof, making a loud and rapid tapping noise.
Meteorologists study terminal velocity to predict how fast hailstones will fall during storms.
