wais是什么意思

Wide Area Information Server,广域信息服务系统

1、She tied a rope around her waist and jumped off the cliff into the water.
她在腰部系了根绳子，跳下悬崖进入水中。

2、He has a small waist and can fit into a size 28 jeans.
他有细腰，可以穿28码的牛仔裤。

指腰；腰部；腰围。