毫米háomǐTop 4000Meanings1. millimeterCharacters used毫hair米riceExamples1过去guòqù6小时xiǎoshí，我wǒ县xiàn牙城镇降雨jiàngyǔ达到dádào122.4毫米háomǐ。Over the past six hours, Yacheng Town in our county has recorded 122.4 mm of rainfall.