Finding Authentic Video Pronunciations...
Scanning thousands of native English clips with synchronized subtitles and exact timestamps.
Pronunciation Guide
Loading video player...
Thomas Edison tried to come up with high-capacity batteries he experimented with lead acid batteries spent about $30 million of his own money that's in
today's dollars uh and spent a decade or more working on Battery Technology he improved lead acid batteries he improved alkalins but he ultimately couldn't get
the energy density that he wanted Ed for delivery trucks and electric cars gasoline was just a better fuel um but if you if you look at the market today
Listen to native speakers pronounce “alkalins” in real conversational contexts with synchronized timestamps and subtitles.