太阳 (pinyin: tài yang, written "tai yang" or "taiyang") means sun. Below: its meaning, pronunciation, stroke order, and example sentences, so you can learn how to read, say, and write 太阳.
Meaning
sun
sunlight; sunshine
temple (on the side of the human head) (abbr. for 太陽穴|太阳穴[tai4 yang2 xue2])