Precipitation in May had 4 wave periods of about 4-year,about 8-year,about 16-year and about 32-year. Wave periods of about 8-year, about 16-year and about 32-year were more notable.是什么意思_Precipitation in May had 4 wave periods of about 4-year,about 8-year,about 16-year and about 32-year. Wave periods of about 8-year, about 16-year and about 32-year were more notable.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句