humidity
/hjuːˈmɪdətɪ/noun
(pl. -ies)［mass noun］
1- the state or quality of being humid潮湿, 湿润。
1.1
- a quantity representing the amount of water vapour in the atmosphere or a gas（大气或气体的）湿度：
the temperature is seventy-seven, the humidity in the low thirties.
气温77度, 湿度30度出头。
1.2
- atmospheric moisture湿气。
词源
late Middle English: from Old French humidite or Latin humiditas, from humidus （see HUMID）.