| 单词 | sesquicentennial |
| 释义 | sesquicentennial —sesquicentennially, adv. /ses'kwi sen ten"ee euhl/, adj. 1. pertaining to or marking the completion of a period of 150 years. n. 2. a 150th anniversary or its celebration. [1875-80, Amer.; SESQUI- + CENTENNIAL] |
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