redness

基本解释

The idea of redness is abstracted from the colour of all red objects.
红的概念是从所有红色物体中提取出来的。
And if so, does the apple deserve a separate line on our list from the roundness and redness?
如果是的话，那么我们是否应该对苹果的圆形和红色在清单上列一个单独的行？
Start around the nose and mouth where there’s redness, then blend out to the rest of the face.
从鼻子和嘴部周围发红的地方涂起，然后再向脸部其他部位均匀涂开。

So, you get a rash, or a redness of the skin.
所以,你会出皮疹,或者皮肤变红
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