adj.每半年一次的；一年两次的

Receipt of semiannual interest on $5 at 8%. 收到面值5美元,年息8%25的债券的半年利息。

Happening twice each year;semiannual. 一年两次的;半年一次的

Then he and the NSF semiannual report became one. 接著，他和NSF半年度报告合而为一。

What information is included in the semiannual report to Rotary International? 对国际扶轮的半年度报告中应包括哪些资讯？

Promotion in our school is semiannual; it occurs in January and June. 我们学校每半年表彰一次，在每年的一月和六月。