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1·We can use our eyes and facial expressions to communicate virtually every subtle nuance of emotion there is.

我们可以用眼睛和面部表情来如实地传达情感上的每一丝细微差别。《柯林斯英汉双解大词典》

2·The professor noticed their facial expressions and told them.

教授注意到他们的面部表情并告诉他们。

3·She can copy human facial expressions, hold conversations and recognize people by their looks or voices.

她可以模仿人类的面部表情，进行对话，并通过容貌或声音识别人类。

4·At this point, it is not clear why dogs seem to be equipped with the ability to recognize different facial expressions in humans.

目前，还不清楚为什么狗似乎具备识别人类不同面部表情的能力。

5·With our study, we think we can now confidently conclude that at least some dogs can distinguish human facial expressions, Muller told Live Science.

穆勒告诉《生活科学》说：“通过我们的研究，我们认为我们现在可以自信地得出结论，至少有些狗可以分辨人类的面部表情。”

6·The researchers then tested the dogs' ability to distinguish between human facial expressions by showing them the other half of the person's face on images totally different from the ones used in training.

研究人员随后给狗狗展示与训练中完全不同的人的另一半脸，来测试它们区分人类面部表情的能力。

7·To us, the most likely explanation appears to be that the basis lies in their living with humans, which gives them a lot of exposure to human facial expressions, and this exposure has provided them with many chances to learn to distinguish between them, Muller said.

穆勒说：“对我们来说，最有可能的解释似乎是，这一现象的根源在于它们与人类生活在一起，这让它们接触了大量人类的面部表情。”而这种接触也为它们提供了很多机会来学习区分它们。

8·What are the possible links between facial expressions and emotion?

面部表情和情绪之间可能存在哪些联系？

9·I can read Diana's thoughts from the changes in her facial expressions.

我能从戴安娜面部表情的变化看出她的想法。

10·Until now, only humans and gorillas have the ability to exactly copy facial expressions.

直到现在，只有人类和大猩猩有能力准确地复制面部表情。