您要查找的是不是：
- a biennial convention 两年召开一次的大会
- They met at biennial conventions. 他们是在两年举行一次的大会上遇见的。
- His is a biennial, and one of the most useful pasture plants we have. 这是两年生植物，也是我们最有用的牧草之一。
- A perennial plant, such as the English daisy, cultivated as a biennial. 以两年生植物栽种的多年生植物，如英国雏菊
- This is a biennial, and one of the most useful pasture plants we have. 这是两年生植物,也是我们最有用的牧草之一。
- A perennial plant,such as the English daisy,cultivated as a biennial. 所有一年生及二年生植物都是结果一次而后死去。
- The award ceremony is a biennial event attended by many dignitaries. 该颁奖典礼是个两年一度的盛会，有许多达官显贵会参加。
- It's related to mangel and chard. It's a biennial and is usually grown in a cool climate. 它同饲用甜菜或牛皮菜的亲缘很近，两年生，通常栽培在冷凉的气候条件下。
- By convention the deputy leader is always a woman. 按照惯例这一领导人的副职总是由女子担任。
- A biennial Eurasian plant(Beta vulgaris) grown as a crop plant for the edible roots and leaves. 甜菜两年生欧洲植物（甜菜甜菜属）由于其根和叶子可食用而作为农作物种植
- A biennial Eurasian plant(Beta vulgaris)grown as a crop plant for the edible roots and leaves. 甜菜两年生欧洲植物（甜菜甜菜属）由于其根和叶子可食用而作为农作物种植
- A biennial review should be conducted to take into account changes in litigation costs. 每两年进行一次的检讨应将讼费纳入考虑范围。
- Flout a law; behavior that flouted convention. 无视法律; 违抗传统的行为
- A biennial plant (Mentzelia laevicaulis) of western North America, having large, star-shaped, pale-yellow flowers. 门策尔植物：北美西部两年生植物（平滑门策尔），有大的星形浅黄色花朵
- SGP Printer status includes annual reporting and a biennial verification audit requirement. 先灵葆雅打印机状态，包括年度报告和两年期核查审计要求。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- ICDT is a biennial scientific conference on research on the foundations of database systems. ICDT是有关对数据库系统的基础的研究的一次两年一次的科学的会议。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
