(1)Some of the arm and leg bone were still attatched to each other
,suggesting that R.robustus didn't chew its food thoroughly but
wolfed it down in large chunks.
(2)Moreover,the size and anatomy of R.robustus,found in the smae fossil
beds as its smaller relative,suggest that it was an active predator rather
than simply a scavenger.
請問1句的為什麼suggesting是Ving的型態呢?
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