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单词
triennial
释义
triennial
tri
en
ni
al
/
traɪˈɛniəl
/
adjective
Etymology
ETYMOLOGY
triennial
Origin:
1500-1600
Latin
triennis
, from
triennium
three years
, from
tri-
+
annus
year
happening every three years
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更新时间:2025/12/25 1:51:37