Mexican wave

noun

1. 墨西哥人浪（尤指体育比赛中看台上的观众依次站起坐下而形成的波浪状场面）
   a continuous movement that looks like a wave on the sea, made by a large group of people, especially people watching a sports game, when one person after another stands up, raises their arms, and then sits down again

1. 墨西哥人浪(人群依次站起挥动双臂再坐下所形成的波浪式场面)
   If a crowd of people do a Mexican wave, each person in the crowd stands up and puts their arms in the air after the person to one side of them, creating a continuous wave-like motion through the crowd.

in AM, use 美国英语用 wave