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Your body uses three senses to keep you balanced–to tell you what’s up and down.
人體有三種感官能夠幫助維持平衡，并告訴我們向上還是向下。
One of the senses is your eyes. They tell you how you’re oriented with the world around you.
第一種感官是視覺。視覺會告訴你在周遭環境中的方位。
Then there’s your body sense. It’s the seat-of-the-pants pressure you feel in your muscles and joints from gravity and movement.
第二種是我們的身體感受。即通過人體肌肉的直覺并結合重力和動作進行感知。
Finally, there are the semi-circular canals of your inner ears.
最后一種是我們內耳的半規管。
These canals are lined with tiny hairs and filled with liquid.
這些規管上覆有微小的毛狀纖維，纖維里充滿了液體。
When you move, the fluid bends the hairs, and they tell your brain what’s happening.
當你移動的時候，液體會導致毛狀纖維彎曲，進而告知大腦訊息。
But if you lose your visual clues, the other senses can trick you. It’s called spatial disorientation, or vertigo.
但是如果你喪失了視覺感官，那么另外兩種感官方式可能會誤導你。這被稱為空間定向障礙，即眩暈。
譯文為可可英語翻譯，未經授權請勿轉載!
