thermal underwear

Long underwear, also called long johns or thermal underwear, is a style of two-piece underwear with long legs and long sleeves that is normally worn during cold weather.

长款内衣，也叫long johns或thermal underwear，是一种上下两件的带有长裤腿和长袖的内衣，通常在寒冷季节穿。

thermal underwear

保暖内衣裤

If you overstuffed your bags expecting the Winter Games to be a frigid, fur-lined glamour-in-Aspen blast, shoving thermal underwear upon thermal underwear into a side pocket, you overprepared.

如果你以为冬奥会举办地一定会像美国阿斯蓬（著名滑雪胜地）那般寒冷，人们都穿着毛皮衬里的冬服，所以往自己的行李中塞了太多的东西、装进一件又一件保暖内衣，那么你就大错特错了。

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。

Beijing's cold winters require a woolen sweater and thermal underwear, with trench coat or down jacket on the outside, footwear should be leather shoes or high-top sports shoes.

北京的冬天可以穿一件毛衣和一条毛裤，外着风衣或羽绒服，可穿高帮旅游鞋或皮鞋。