Every morning you can see the sun rising in the east. The sun gives us light. When you stand in the sun you can feel the heat. The sun gives us heat from very far away. The sun is about one hundred and fifty million kilometers away. It looks small because it is so far from us, but it is actually very very big.
歡迎訪一網(wǎng)寶！您身邊的知識(shí)小幫手，專注做最新的學(xué)習(xí)參考資料！
