asymmetrical feature meaning in English

非对称形体

Use the same map for the left and right hand , then add asymmetrical features . repeat this for the feet
为左，右手使用一样的贴图，然后增加不对称的特点，对脚也一样。
Instead , her eyes were fixed anxiously upon her betrothed , and martin , following her gaze , saw spread on that worthy s asymmetrical features nothing but black and sullen disapproval
马丁跟随她的目光看去，却在那位重要人物歪扭的脸上看见了阴沉慢怒的不以为然的神气。