为了把握狗的心理，研究人员通过训练使狗明白放在房屋一侧的碗里有食物，另一侧的碗却是空的。

To measure canine psychology, researchers trained dogs to recognize that bowls on one side of a room contained food, while bowls on the other side were empty.

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接下来，研究者通过训练让狗明白放在房间一头的碗装满了美食，而房间另一头的碗则是空的。

Next, the researchers trained the dogs to understand that a bowl on one side of a room was full of yummy food, while a bowl on the other side was empty.

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为了把握狗的心理，研究人员通过训练使狗明白放在房屋一侧的碗里有食物，另一侧的碗却是空的。

Psychology, researchers trained dogs to recognize that bowls on one side of a room contained food, while bowls on the other side were empty.

youdao