today i start my TOEFL class, i learned the Grammar and vocabulary, the vocabulary are Astronomy, Astro- means star, Astronaut, Celestial body, Celestial means in the sky. Terrestrial means on the ground. and Extra Terrestrial means E.T. and i have learned Galaxy, Nebula, solar, lunar, solar eclipse, star planet, satellite, revolves, rotation, approximately, interplanetary, photosphere, Thermo nuclear, core, atmosphere, thermometer, ozone sphere= ozone layer, leather ware, biosphere, craft, aircraft, spacecraft, antenna, features, mercury, venus, earth, mars, jupiter, saturn, guardian...and so on.
today i have learned many things, and i know many vocabularies, and i think i must can use thouse word's
