Today's Sentence
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But Peter may have gone one step further and actually made one improvement to his synthetic silk.
Original Video：
Spider-Man's Web Is Shockingly Realistic
Key Vocabulary
1. improvement
improvement
[ɪmˈpruːv.mənt] (n.)
2. synthetic
synthetic
[sɪnˈθet̬.ɪk] (adj.)
3. silk
silk
[sɪlk] (n.)
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