twenty[英][ˈtwenti][美][ˈtwɛnti,ˈtwʌn-]
n.二十,二十个; 二十多岁; 二十年代; 许多,大量;
num.二十;
adj.二十的;
复数：twenties
例句:
1.
Twenty minutes later I walk out.
二十分钟后我走了出来.
2.
Brad feld (@ bfeld) has been an early stage investor and entrepreneur for over twenty years.
Brad Feld(@bfeld)过去二十年里一直作为早期投资者和创业者.
3.
Twenty plus sixteen equals thirty-six.
二十加十六等于三十六.