Kate's Blog

star       恒星；星

                     a large ball of burning gas in space

                    that we see as a point of light in the sky at night 

planet    行星 

                    a large round object in space that moves around a star

                   (such as the sun) and receives light from it 

gas       氣體

            any substance like air that is neither a solid nor a liquid,

                 for example hydrogen and oxygen are both gases 

air        空氣

            the mixture of gases that surrounds the earth and that we breathe

http://www.google.com.tw/dictionary?langpair=en|zh-TW&q=star&hl=zh-TW&aq=f

http://www.google.com.tw/dictionary?langpair=en|zh-TW&q=planet&hl=zh-TW&aq=f

http://www.google.com.tw/dictionary?langpair=en|zh-TW&q=gas&hl=zh-TW&aq=f

http://www.google.com.tw/dictionary?langpair=en|zh-TW&q=air&hl=zh-TW&aq=f