Level 5 · word 6,401 of 20,000

thermal

/ˈθɜːrməl/ American
Picture: thermal
  • adj. 热的, 保温的
  • n. 上升暖气流
Definition
  • adj. relating to heat or designed to keep in warmth
  • n. a rising current of warm air
Example
He wore a thermal jacket to stay warm in the mountains.
他穿了一件保暖夹克,在山里保持温暖。