biannually是什么意思？

biannually

英[bi:ən'jʊəlɪ] 美[biən'jʊrlɪ]

• adv. 每半年地；

例句

• Only since 1962 has the show been held biannually. 这个展会自1962年才开始一年举办两届。

柯林斯高阶英汉双解学习词典释义

• ADJ
  一年两次的
  A biannual event happens twice a year.
  例句
  You will need to have a routine biannual examination. 你得接受一年两次的例行检查。

英英词典释义

• Adverb
  1. twice a year;
  "we hold our big sale biannually"