a form or version of something that differs in some respect from other forms of the same thing or from a standard
变体;变异;异文
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clinically distinct variants of malaria 疟疾的不同临床变异
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[as modifier]
a variant spelling. 异体拼写。
"late Middle English (as an adjective in the sense ‘tending to vary’): from Old French, literally ‘varying', present participle of