undershirt [ˈʌndərʃɜ:rt]

例句:

• He put on a pair of short pants and an undershirt.
  他穿上了一条短裤和一件汗衫。
  
• She slipped it off. Two mounds of firm young flesh pressed out against her undershirt.
  她把外面衣服都解开了,只剩了里面的一件汗衫. 胸前两堆柔软的肉在汗衫里凸起来.
  
• Leo says : Well, I wear a long 1 undershirt.
  李奥: 嗯, 我先穿一件长袖内衣.
  
• He's wearing suit pants and a white undershirt.
  来自NEWYORKER
• You could see an undershirt under his shirt; he wore no tie.
  来自NEWYORKER
• I was wearing my Wolford tights and Hanro undershirt, with my shearling coat settled over me like a big, warm hug.
  来自WSJ