• 基礎(chǔ)釋義
• 例句
• 柯林斯詞典釋義
• 英英詞典釋義

• Only since 1962 has the show been held biannually. 這個(gè)展會(huì)自1962年才開(kāi)始一年舉辦兩屆。

• ADJ
  一年兩次的
  A biannual event happens twice a year.
  例句
  You will need to have a routine biannual examination. 你得接受一年兩次的例行檢查。

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