constituting number eight in a sequence; 8th 第八 in the eighth century. 在八世纪。 the eighth of September. 9月8日。 seven men admitted conspiracy, an eighth admitted assisting an offender. 七个人承认了共谋犯罪,第八个人承认协助了一个罪犯。 ■(an eighth/one eighth) each of eight equal parts into which something is or may be divided 八分之一 an eighth of an inch. 1/8英寸。 ■the eighth finisher or position in a race or competition (比赛或竞赛的)第八名;第八位 she finished eighth of the eleven runners. 在11名赛跑选手中她获得第8名。