triennial

美音音标: [traɪ'eniəl] triennial
英音音标: [traɪ'eniəl] result.0.expl|add:"

同义
tercentenary tercentennial triennial
词性
n
解释
the 300th anniversary (or the celebration of it)
示例
None

同义
triennial
词性
s
解释
occurring every third year or lasting 3 years
示例
None