耳朵向后伸
Stretch the ears backward
以上为机器翻译结果，长、整句建议使用 人工翻译 。
研究者们找出了老鼠五种明显不同的痛苦表情：眼睛紧闭或斜视、鼻子鼓胀、面颊凸出、耳朵向后伸、胡须抖动。
The researchers scored five distinct mouse pain expressions. Eyes close and squint, nose bulges, cheeks bulge and mice also pull back their little round ears and move their whiskers.
youdao
应用推荐
模块上移
模块下移
不移动