centennialadj.
英 sen'tenɪəl | 美 sɛn'tɛnɪəl
中文adj. 一百年的\nn. 百年纪念
一百年的
n. 百年纪念
词根词源
centennial (adj.)1789, from Latin centum "one hundred" (see hundred) + ending from biennial. As a noun, "hundredth anniversary celebration," from 1876; the older noun is centenary.
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