biyearly是什么意思_biyearly用英语怎么说_biyearly的翻译_biyearly翻译成_biyearly的中文意思_biyearly怎么读,biyearly的读音,biyearly的用法,biyearly的例句

1. occurring every second year;

"they met at biennial conventions"

2. occurring or payable twice each year

1. every two years;

"this festival takes places biennially"

2. twice a year