Subtitles & vocabulary
The Problem with these Smartphone Batteries
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Richard VT posted on 2026/02/12Ever wondered why your phone battery seems to die so fast? This video dives into the fascinating world of silicon carbon batteries, explaining everything from battery swelling to longevity and capacity. You'll pick up some awesome advanced vocabulary while learning about the tech inside your favorite gadgets!
Video vocabulary
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US /səbˈskraɪb/
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UK /səb'skraɪb/
- Verb (Transitive/Intransitive)
- To regularly pay to receive a service
B1TOEIC
More massive
US /ˈmæsɪv/
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UK /ˈmæsɪv/
- Adjective
- Very big; large; too big
- Large or imposing in scale or scope.
B1
More material
US /məˈtɪriəl/
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UK /məˈtɪəriəl/
- Noun (Countable/Uncountable)
- Cloth; fabric
- Supplies or data needed to do a certain thing
- Adjective
- Relevant; (of evidence) important or significant
- Belonging to the world of physical things
A2
More common
US /ˈkɑmən/
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UK /'kɒmən/
- Noun (Countable/Uncountable)
- Area in a city or town that is open to everyone
- Field near a village owned by the local community
- Adjective
- Shared; Belonging to or used by everyone
- Typical, normal; not unusual
A1
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