triennial
adjective /traɪˈeniəl/
/traɪˈeniəl/
- happening every three yearsTopics Timec2Word Originmid 16th cent.: from late Latin triennis (from Latin tri- ‘three’ + annus ‘year’) + -al.
单词 | triennial |
释义 | triennialadjective /traɪˈeniəl/ /traɪˈeniəl/
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