单词knee-pants
网络: 长至膝部的短裤;长到膝部的短裤;齐膝短裤
In the 1860"s knee pants were popular for sorts such as hunting and golf.
在1860年代,因为比如打猎和高尔夫球的种种原因,长至膝盖的裤(膝裤)普及开来。