记忆方法
将“biannual”分解为“bi-”和“annual”。联想“bi-”意味着“每两”，而“annual”意味着“每年”。所以，记忆方法是：这是一个“每两年”发生一次的事件或出版物的频率。通过这样的联想，可以记住“biannual”的意思。
机器生成的内容难免有错，看到不靠谱的拆解请告诉我们
中文词源
biannual 两年一次的
前缀bi-, 二。词根ann, 年，见anniversary.
英语词源
- biannual (adj.)
- also bi-annual; "occurring every six months, twice a year," 1837, from bi- + annual. Related: Biannually; bi-annually.
权威例句
- 1. You will need to have a routine biannual examination.
- 你得接受一年两次的例行检查。
- 2. I have to make a biannual report next Monday.
- 下周一我得作半年度报告.
- 3. This article is the seventh biannual review on photometric analysis.
- 本文是《分析试验室》定期评述中“光度分析”的第七篇文章.
- 4. Our school doctor recommends a biannual visit to the dentist.
- 我们校医建议一年去看牙医两次.
- 5. The club has a biannual meeting.
- 这个俱乐部一年开两次会.