This occurs biennially, as in many fruit trees.
象多种果树那样二年发生一次.
辞典例句
This festival takes places biennially.
这个节日两年过一次.
互联网
Expert proposal, pillow core at least biennially is changed, bask in every week.
专家建议, 枕芯至少每两年换一次, 每周都晒一次.
互联网
County People's Congress passed a resolution since 1996, is held biennially Hongze Lake Crab Festival.
美誉.县人大通过决议,从1996年起, 每两年举办一次洪泽湖螃蟹节.
互联网
"this festival takes places biennially"