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The vapour in the bubble chamber is superstaurated. When the electron travels in it, it acts as a nucleus of condensation for droplets of liquid to be formed along its track.
目錄：科學及數學 > 其他 - 科學 2007年04月10日
...4.The road on some buses were travelling suddenly collapsed. --> on which some ... watch. (V) Complete the speech bubbles . Do you know __which___ bus we should take? ...
目錄：社會及文化 > 語言 2008年07月03日
... (from Hip Hop Happy) 5. Bubbles (from Dance Baby Sing) 6. ... Rattle and Sing) 9. I travelled over land and sea (from Hip Hop ...
目錄：音樂 > 古典樂 2010年04月17日