sesquicentennialadj.
英 ,seskwɪsen'tenɪəl | 美 ,sɛskwɪsɛn'tɛnɪəl
中文adj. 一百五十（周）年的\nn. 一百五十周年纪念
一百五十（周）年的
n. 一百五十周年纪念
词根词源
sesquicentennial (adj.)"pertaining to a century and a half," 1878, from sesqui- + centennial. As a noun from 1880; first recorded reference is to Baltimore\\'s.
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