adj.一年兩次的

I have to make a biannual report next Monday. 下周一我得作半年度報(bào)告。

In between the meetings, each stockholder receives biannual reports. 兩會之間，每位股東都會收到每年兩次的總結(jié)報(bào)告。

The FISU is the supporting organization of the biannual Universiades. 國際大體聯(lián)是兩年一度的大運(yùn)會的支持機(jī)構(gòu)。

adv.一年二次地(半年一次地)