facial expression

基本解釋

To prove his point, he took a series of portraits, using the same model's facial expression and the same lighting - but each time changing the lens.
為了證明他的觀點，他利用相同的照明條件，為一位模特的同一面部表情拍攝了一組肖像照，但是每照一張就更換一種鏡頭。
However, unlike the Big Six emotions, it does not have an obvious characteristic facial expression, which may explain why it has slipped under the research radar for so long.
然而它與六大基本情緒不同，它不具備明顯特征化的面部表情，這也解釋了它之所以長久潛伏未經(jīng)研究發(fā)現(xiàn)的原因。
To help answer specific questions about presenting a speech, we will consider three major categories of nonverbal behavior that affect delivery: body language, eye contact, facial expression.
為了幫助解答演講的具體問題，我們將影響發(fā)言的無文字行為分為三大類型：肢體語言、眼神交流、面部表情。
edu.sina.com.cn

They looked into the cameras with a neutral facial expression.
The other thing we know about the brain is that the cortex is absolutely essential for is interpreting the features such as that facial expression, color.
我們還知道,大腦皮層對于解釋面部表情,顏色等特征發(fā)揮絕對根本的作用。
斯坦福公開課 - 7個顛覆你思想的演講課程節(jié)選
It is a basic emotion with a characteristic facial expression.
這是很基本的一種情緒,還伴有特定的面部表情。
耶魯公開課 - 心理學導論課程節(jié)選

That said, facial expression does not seem to be a prerequisite for such interactions.
ECONOMIST: Facial characteristics

表情識別
The recognition of facial expression.
表情識別：首先介紹了對臉部圖像的預處理操作。
面部表情
At last, we research facial expression and imitate human’s smile.
并且研究了人的面部表情，模擬出人微笑的表情。
生物學
用手勢模仿