blank中等

The thought of holding a fixed grin as the camera performed its magical duties was too much to contemplate, and so a non-committal blank stare became the norm.

在相机施展魔法期间一直保持咧嘴笑的表情，这简直不堪设想，因此不置可否的茫然凝视就成了常态。

Infants are wired to look at parents’ faces to try to understand their world, and if those faces are blank and unresponsive — as they often are when absorbed in a device — it can be extremely disconcerting for the children.

婴儿天生会通过看父母的脸来试图理解他们的世界，如果这些脸面无表情、毫无反应——父母沉迷于电子设备时往往如此——孩子们就会极度不安。

In it, a mother is asked to interact with her child in a normal way before putting on a blank expression and not giving them any visual social feedback: the child becomes increasingly distressed as she tries to capture her mother’s attention.

实验中，母亲先被要求以正常方式与孩子互动，然后摆出一副面无表情的样子，不给孩子任何视觉上的社交反馈：孩子在试图吸引母亲注意的过程中变得越来越苦恼。

it is easy for children to get used to blank expressions.

孩子很容易习惯面无表情。