Bonvolu ebligi javaskripton por uzi vortaron! Kiel ebligi Javaskripton?
back and forth▼(movement (of someone or something) forward followed by a return to the same position)noun[UK: ˈbæk ənd fɔːθ] [US: ˈbæk ænd ˈfɔːrθ]
oscilloscope [oscilloscopes]▼(electronic measuring instrument)noun[UK: ə.ˈsɪ.lə.skəʊp] [US: ə.ˈsɪ.ləskoʊp]
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