nuance

He watched her face intently to catch every nuance of expression.

他认真地注视着她的脸，捕捉每一丝细微的表情变化。

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。

All the complexity, nuance, and pleasure of flavor come from the sense of smell operating in the back of the nose.

所有风味的复杂性、细微差别和愉悦感都来源于鼻子后部进行的嗅觉。

Such sounds are included so as to provide an appropriate emotional nuance, and they may also add to the realism of the film.

加入这些声音是为了让情感恰到好处地体现出细微差别，它们也可以增加电影的现实感。

The object she described has accurate structure and distinctive nuance of dyeing.

其描绘的物象结构透视准确，染色层次清晰。