long underwear

1. Long johns, also known as long underwear, thermal underwear or pajamas, are two-piece garments worn underneath clothing to provide an extra layer of warmth.
   秋裤，也叫长款内衣、保暖衣或睡衣，是一种穿在衣服里面、提供额外保暖的内衣。
2. So, the next time someone pokes fun at long underwear, join the conversation and impress them with your newfound knowledge.
   所以，下一次有人拿秋裤取笑你，加入这场对话，并用你新学的知识震震他们。
3. In the spring there was the guy12 years older than me who shared an apartment overlooking Tompkins Square Park with an antediluvian man who walked around in graying long underwear.
   到了今天春天是一个比我年长12岁、和一位穿着褪色长内裤的“古风”派男子共住在一间俯视Tompkins广场公园的家伙。
4. We were lucky to have long coats, wool and cotton underwear, and boots with warm puttees.
   不过我们还算幸运，有长外套，原棉内衣裤，长筒靴和绑腿。

noun

1. an undergarment with shirt and drawers in one piece

   Synonym:    union suit