feathering tread

例句：

1. 1. The dancers' feathering tread made the audience gasp with admiration.
   舞者们的羽毛状步态让观众惊叹不已。
2. 2.The old man's feathering tread was so slow that he almost fell down.
   老人的羽毛状步态走得如此缓慢，以至于他几乎要跌倒了。
3. 3.The baby elephant's feathering tread was so delicate that it could hardly walk.
   小象的羽毛状步态如此纤细，以至于它几乎走不了路。