sesquicentennial

And it is the sesquicentennial of the book next year, along with the bicentennial of Darwin's birth, which will be more widely marked than the 1858 event.

明年是这部著作出版150周年，同时也是达尔文诞生200周年，二百周年纪念将比1858年的事件更加引人注目。

sesquicentennial

n. 一百五十年纪念 adj. 一百五十年纪念的