twenties
noun [ plural ] uk/ˈtwen.tiz/ us/ˈtwen.t̬iz/
B2 二十多岁
A person's twenties are the period in which they are aged between 20 and 29
I'd guess she's in her twenties. 我猜她20多岁。
the twenties （温度）二十多度
the range of temperature between 20° and 29°
The temperature is expected to be in the twenties tomorrow. 预计明天的气温20多度。