plural thirties
plural thirties
Learner's definition of THIRTY
1
[count] : the number 30(数字)三十
2 thirties [plural]
a : the numbers ranging from 30 to 39三十几 b : a set of years ending in digits ranging from 30 to 39三十年代;三十多岁 — thirtieth
/ˈθɚtijəθ/ noun, plural thirtieths [count] — thirtyish
/ˈθɚtijɪʃ/ adjective