In seconds, the echo of the sound is analyzed to determine the presence of middle ear fluid.

在数秒钟内，回音就被用来分析和决定中耳内的液体存在状态。

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These cells work by detecting movements in the fluid that fills the canals of the inner ear.

这些细胞通过探测充满内耳道的液体的移动来发挥功能。

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You have a middle ear infection when germs get into the middle ear and the area fills up with fluid (or pus), which contains germ-fighting cells.

当微生物进入中耳引起感染，小气袋里就会因此充满脓液，这些脓液里包含了抗菌细胞。

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Factors that alter the properties of inner ear fluid may help cause Meniere's disease.

CNN: Meniere's disease

It appears to be the result of the abnormal volume or composition of fluid in the inner ear.

CNN: Meniere's disease

The sudden shift of fluid in their inner ear makes them feel like they turned their head a lot faster.

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