英式：[ˈθɜːtɪ]
美式：[ˈθɝti]
num.三十
用作数词 (num.)
I'll be thirty next year. 明年我就满三十岁了。
I get up at six thirty every morning. 我每天早上六点半起床。
There are more than thirty footmen in this hotel. 这家旅馆里有三十多名仆役。
She has served the family faithfully for thirty years. 她为这个家忠心耿耿地操劳了30年。
There were many people with leprosy around the age of thirty. 在三十年代有很多麻疯病人。
thirty-five
num.三十五
thirty-seven
37
thirty-eight
num.三十八
thirty-three
n.三十三；慢转唱片
adj.三十三的
pron.三十三
thirty-first
num.第三十一
thirty-one
num.三十一
