“trigintennial”的英英意思

单词	trigintennial
释义	triginˈtennial, a. rare—1. [f. L. trīgintā thirty + -enni-um (f. ann-us year) + -al1.] Taking place once in thirty years. 1894Yale News (New Haven, Conn.) 29 June, About twenty-five members of the class were present at their trigintennial reunion.

　

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