hailstone的复数形式怎么写

hailstone的音标：hailstone的英式发音音标为：['heɪlstəʊn]hailstone的美式发音音标为：['heɪlstoʊn]...

n.雹块...

The hailstone took a heavy toll of the crops in our village last night.昨晚那场冰雹损坏了我们村的庄稼.A Shower of rain drove down upon us, each drop stinging like a hailstone.一阵倾盆大雨直泻到我们的身上, 每一雨点打来都象冰雹般刺痛.A hailstone hit the county on ...