Subtitles & vocabulary
Why Do I Have to Use a Number 2 Pencil?
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王妍心 posted on 2025/05/11Ever wondered why standardized tests insist on Number 2 pencils? This quick video dives into the fascinating history and science behind optical mark recognition and why graphite is the star of the show! You'll pick up some cool vocabulary related to testing and technology while learning about this everyday mystery.
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
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US /sɔrt/
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UK /sɔ:t/
- Transitive Verb
- To organize things by putting them into groups
- To deal with things in an organized way
- Noun
- Group or class of similar things or people
A1TOEIC
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US /stɪk/
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UK /stɪk/
- Verb (Transitive/Intransitive)
- To push a sharp or pointed object into something
- To join together using glue or paste
- Countable Noun
- Long thin piece of wood from a tree
A2
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US /ɪˈvɛntʃuəli/
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UK /ɪˈventʃuəli/
- Adverb
- After a long time; after many attempts; in the end
- At some later time; in the future
A2
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