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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;
[例句]They're both in their twenties and both married with children of their own.
他们俩都二十几岁,都已经结婚生子了。
twenty-two
percent
这个
percent
就是
百分之的英文
前面的连字符可有可无
twenty percents
twenty percent
twenty per cents