Dogs are able to tell how big another dog is just by listening to its growl, a new study has found.
一项新研究发现：狗能够通过狗叫声来辨别出另一只狗的大小。
Dogs can tell how big another dog is just by listening to its growl.
狗能够通过狗叫声来辨别出另一只狗的大小。
Dogs can tell how big another dog is just by listening to its growl.
狗能够通过狗叫声来辨别出另一只狗的大小。
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