ADJ of or relating to a period of 150 years 一百五十年的
N a period or cycle of 150 years 一百五十周年期
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.
明年就是这本书诞生150周年纪念，也是达尔文诞生200周年纪念，比起1858这件事都显得更广为人知。
Compare Montgomery’s centennial with the sesquicentennial, which this February drew a ragtag few hundred enthusiasts (and no elected officials) to parade through Montgomery.
与在蒙哥马利举行的美国内战百周年庆祝活动相比，今年2月同样在蒙哥马利举行的内战150周年庆祝游行活活却只有寥寥几百名组织涣散的狂热者参加，而且没有一个正式官员参加。
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