boom crotch

例句：

1. 1.波纹，波纹状的2.
   尤指
2. 3.
   尤指
3. 1.The fabric has a beautiful wave pattern onit.
   这布料上有漂亮的波浪图案。
4. 2. She satdown on the couch with her legs crossedat the boom crotch.
   她坐在沙发上，双腿交叉在波纹状的臀部上。
5. 3. He was so excited that hecouldn't wait to get his handson the new boom crotch watch.
   他太兴奋了，迫不及待地想要拥有这款新推出的波纹状手表。