plural seventies
plural seventies
Learner's definition of SEVENTY
1
[count] : the number 70(数字)七十
2 seventies [plural]
a : the numbers ranging from 70 to 79七十几 b : a set of years ending in digits ranging from 70 to 79七十年代;七十多岁 — seventieth
/ˈsɛvəntijəθ/ noun, plural seventieths [count]