semiannually

基本解释

Banks also pay interest at different times. But the majority of them pay semiannually.
各银行，付利息的时间也不一样，但是大部分银行都是半年付一次。
ADB projects require to establish project monitoring and evaluation system before the commencement of loan, to issue project report quarterly or semiannually.
亚行项目在贷款生效前即要求建立起项目的监测和评价体系，每季度或每半年出具项目报告。
It is usually performed at fixed intervals of time, perhaps quarterly, semiannually, or annually.
通常每隔一段时间进行一次，可能是一季度，也可能是半年或一年。

Series EE bonds are sold at half the face value and earn an adjustable interest rate (recently 4.3%) that compounds semiannually.
FORBES: Little acorns, mighty oaks
In fact, the difference in the end value of the never-rebalanced and the semiannually rebalanced portfolios was just 2.3% after almost two decades!
FORBES: Magazine Article
Every organization shall be governed by a responsible board of not less than five individuals, a majority of whom shall be independent, who shall meet at least semiannually to establish policy and review its accomplishments.
FORBES: Evangelicals And Corporation Sole - Not A Marriage Made In Heaven