![roughage造句怎么写]( "roughage造句怎么写")
- Somecatsenjoychompingonplantseveryonceinawhiletogetroughageorfiber.Inexperiment3,theroughageintakeadlibitumbysheepwasnegativelycorrelatedwithconcentratelevelsindiet(r~0.951).Somecatsmunchongrassorotherplants,butmostbiologistsagreethatsuchroughageserv...
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