Your pretty face is crinkling .

你美丽的脸起皱。

" He smiled , his eyes crinkling . "

他眯着眼睛笑了。

I could see that the skin around the sunglasses was crinkling with laugh lines .

我看到周围的皮肤被太阳眼镜与笑纹压皱。

One newly discovered group of proteins temporarily relaxes the facial muscles used for crinkling .

新发现的一组蛋白质，暂时放宽对用于面部肌肉起皱。

I thought she was crazy , but still learned to express myself without much forehead crinkling .

当时我认为她就是疯子，但是仍然要学会避免皱额头来表达我自己的情感。