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check up on

资料来源 : pyDict

核对,调查,审查

资料来源 : WordNet®

check up on
     v : examine so as to determine accuracy, quality, or condition;
         "check the brakes"; "Check out the engine" [syn: {check},
          {look into}, {check out}, {suss out}, {check over}, {go
         over}, {check into}]
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