Today's Sentence
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So when you move, the fluid shifts and tickles the hairs, telling your brain whether you are moving horizontally or vertically.
Original Video：
The mystery of motion sickness - Rose Eveleth
Key Vocabulary
1. horizontally
horizontally
[ˌhɔːr.ɪˈzɑːn.t̬əl.i] (adv.)
2. vertically
vertically
[ˈvɝː.t̬ə.kəl.i] (adv.)
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