![ThehugeFloridawetlandknownastheEvergladesisaslow-moving...]( "ThehugeFloridawetlandknownastheEvergladesisaslow-moving...")
- 问题详情：ThehugeFloridawetlandknownastheEvergladesisaslow-movingriver80kilometerswidebutonlyafewcentimetersdeep.PeoplecalltheEvergladesa“riverofgrass”becausesawgrasscoversmostofit.Sawgrassisnotreallygrass.Itisaplantthathasleavesedgedwithtinysharptee...
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