-  皮带;塑料带;橡胶带
 A thong is a long thin strip of leather, plastic, or rubber.
 
-  丁字裤
 A thong is a narrow band of cloth that is worn between a person's legs to cover up his or her sexual organs, and that is held up by a piece of string around the waist.
 
-  人字拖鞋
 Thongs are open shoes which are held on your foot by a V-shaped strap that goes between your big toe and the toe next to it.
 
in BRIT, usually use 英国英语通常用 flip-flops