四级They suggest this indicates that dogs aren’t sensing emotions from a single feature, but piecing together information from all facial features just as humans do.

他们认为，这表明狗并不是从单一特征中感知情感，而是像人类一样将所有面部特征的信息拼凑在一起。

2017年6月听力原文

六级This conversational robot companion has cameras in its eyes, which allow it to track patients and use appropriate facial expressions and body language in its interactions.

这个机器人对话伙伴的眼睛里有摄像头，可以跟踪患者并在互动中使用适当的面部表情和肢体语言。

2018年12月六级真题（第二套）阅读 Section C

四级Overall, almost three in five people say they try to limit their usage of paper – including facial tissue and kitchen roll – to save money.

总的来说，近五分之三的人表示，为了省钱，他们试图限制纸张的使用，包括面巾纸和厨房用纸卷。

2017年6月阅读原文

四级Facial photos of dogs and humans were displayed on the screen for 1.5 seconds.

狗和人的面部照片在屏幕上显示了1.5秒。

2017年6月听力原文

六级They have difficulty identifying changes in facial expressions They are not sensitive to minute changes in people's mood They have problems distinguishing people of the same age What is the difficulty confronting researchers of facial-recognition machines?

他们很难识别面部表情的变化

2018 年 6 月6级真题第2套

四级Of course, from an evolutionary perspective, recognition of emotion (usually through facial gesture) was essential for survival.

当然，从进化的角度来看，对情绪的识别（通常通过面部手势）对生存至关重要。

2014年6月大学英语四级考试真题（第3套）

四级Overall, almost three in five people say they try to limit their usage of paper—including facial tissue and kitchen roll―to save money.

总体而言，近五分之三的人表示，为了省钱，他们试图限制纸张的使用，包括面巾纸和厨房卷。

2017年6月大学英语四级真题（第2套）