名詞 biweekly:

1. a periodical that is published twice a week or every two weeks (either 104 or 26 issues per year)

形容詞 biweekly:

1. occurring twice a week
   同義詞：semiweekly
2. occurring every two weeks
   同義詞：fortnightly

副詞 biweekly:

1. twice a week
   同義詞：semiweekly
2. every two weeks
   同義詞：fortnightly

1. She asked him to contribute a biweekly article on European affairs.
   她約他每兩周寫一篇有關歐洲情況的文稿。

bi.week.ly

adj.（形容詞）
Happening every two weeks.
每兩周一次的
Happening twice a week; semiweekly.
一周兩次地；半周刊地
n.（名詞）
【復數(shù)】 bi.week.lies
A publication issued every two weeks.
雙周刊
adv.（副詞）
Every two weeks.
兩周一次地
Twice a week; semiweekly.See Usage Note at bi-
一周兩次地；半周刊地參見 bi-