PHRASAL VERB 把…改造成…；改变，转变(功能或用途) If you turn something over to a different function or use, you change its function or use. 把…改造成…；改变，转变(功能或用途)
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When he first leased the land in the late 1970s, he planned to turn it over to cereal production. [VERB noun PREP. PREP. noun]
20 世纪 70 年代末他刚租得那片土地的时候，曾计划把它改作谷物生产地。