thong
noun [ C ] uk/θɒŋ/ us/θɑːŋ/
(NARROW PIECE)
皮带;条带;（皮）鞭
a narrow piece of especially leather used to fasten something or as part of a whip
(UNDERWEAR)
（背后为窄条的）露臀内裤;比基尼泳裤
a piece of underwear or the bottom part of a bikini with a very narrow part at the back that does not cover the bottom
(SHOE)
US and Australian English人字拖鞋
a type of open shoe with a strap that goes between the big toe and the toe next to it