vest undershirt汗衫
undershirt knitter汗衫针织机
Woolen undershirt毛内衣裤
The undershirt内衣
undershirt Learn汗衫
undershirt Matuto汗衫
undershirt vest贴身内衣
sleeved undershirt长袖汗衫
Collarless Undershirt无领短汗衫
N-COUNT（可数名词） An undershirt is a piece of clothing that you wear on the top half of your body next to your skin and under your regular shirt, in order to keep warm. 汗衫; 背心 [美国英语]