- 问题详情:Mylittlecousinisgreatlyinterestedonscience.Andhedoessomedangerousexperimentssometime.Althoughhisparentswanttoencouragehimtobegreatscientist,attimestheyworryabouthissafety.Lastweek,whenmycousinwasdoinganexperiment,hehurtshisthumb.Myauntfeltsad...
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