Today's Sentence
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From morning coffee to afternoon tea, caffeine is so thoroughly entrenched in our daily routines and has become the world's most widely used psychoactive substance.
Original Video：
Caffeine 101 | National Geographic
Key Vocabulary
1. caffeine
caffeine
[kæˈfin] (n.)
2. thoroughly
thoroughly
[ˈθɜroʊli] (adv.)
3. entrenched
entrenched
[ɛnˈtrɛnʧt] (adj.)
4. psychoactive
psychoactive
[saɪkoʊˈæktɪv] (adj.)
5. substance
substance
[ˈsʌbstəns] (n.)
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