adjective [原级]两年一次的
There is also a Biennial Sally Banes Publication Prize in her honor.
她还获得了两年一次的莎莉·贝恩斯出版奖。
noun [专属名词][植] 二年生植物
The influence of greenhouse environment on the growth of in rudbeckia hirta a biennial herbaceous flower was studied.
以二年生草本花卉黑心菊为材料，研究了温室环境对其生长的影响。
bi (两个， 双) + enn (年) + ial → 两年一次的
单词造句: