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.
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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.
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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.
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