【正文】
solar adj. 太陽的 The Earth is one of the plas in the solar system. * When the Rocket sets off, it needs lots of power. power n. 能;能量 attend v. 參加 He was really excited to attend the sports meeting. learn about 學(xué)習(xí) How did you learn about the Rocket Club? teach v. 教;講授 The teachers can teach their students online in the future. * launch v. 發(fā)射 The country launched a rocket last week. The rocket flew away from the Earth and disappeared. disappear v. 消失;消散 surprised adj. 吃驚的 This lady was ve