Today's Sentence
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The color of our hair is determined by the form of hair pigment that we have.
Original Video：
Why Some People's Hair Turns Gray
Key Vocabulary
1. determined
determined
[dɪˈtɜrmənd] (adj.)
2. form
form
[fɔrm] (n.)
3. pigment
pigment
[ˈpɪgmənt] (n.)
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