They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.
他们将八只成年老鼠与两种类型的机器人鼠——一种社交型，一种非社交型——共同饲养了四天。
During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened cage doors to let trapped rats escape.
在实验过程中，具有社会性的机器人老鼠会跟随活老鼠四处走动，玩相同的玩具，并打开笼门让被困的老鼠逃脱。
Rats have been shown to engage in multiple forms of reciprocal help and cooperation, including what is referred to as direct reciprocity where a rat will help another rat that has previously helped them,” says Quinn.
Quinn说：'研究表明，老鼠会参与多种形式的互惠帮助与合作，包括所谓的直接互惠，即一只老鼠会帮助之前帮助过自己的另一只老鼠。'
Rats have been shown to engage in multiple forms of reciprocal help and cooperation, including what is referred to as direct reciprocity where a rat will help another rat that has previously helped them,” says Quinn.
Quinn说：'研究表明，老鼠会参与多种形式的互惠帮助与合作，包括所谓的直接互惠，即一只老鼠会帮助之前帮助过自己的另一只老鼠。'
The robot was the same size as a regular rat but resembled a simple plastic box on wheels.
这个机器人和普通老鼠一样大小，但看起来像一个装有轮子的简单塑料盒子。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。