1
- of, relating to, or determined by the sun太阳的; 与太阳有关的; 由太阳决定的：
solar radiation.
日光辐射。
1.1
- relating to or denoting energy derived from the sun's rays（与）太阳能（有关）的：
solar heating.
太阳能加热。
- Brit. an upper chamber in a medieval house〈英〉（中世纪房屋的）顶层房间。
词源
late Middle English: from Latin solaris, from sol 'sun'.