thermal underwears

例句：

1. 1. These thermalunderwears are perfect for cold weather.
   这些热能内衣非常适合寒冷的天气。
2. 2.The thermal underwears keep him warmduring the winter.
   这些热能内衣在冬天让他保持温暖。
3. 3. She bought thermal underwears as a gift for her friend's birthday.
   她买了热能内衣作为朋友生日的礼物。