Sound is conducted through steel in the same manner as through air.
声音通过钢的传导方式和在空气中的传导方式一样。
Light travels slower through water, glass, even air, than through a vacuum.
光在水、玻璃，甚至是空气中的传播速度比起在真空中慢得多。
If it's air and you move through air, - you feel the wind through your hair — that's a drag force.
如果你穿过空气，会感觉风吹过你的头发-，这便是阻力。
Butt sound doesn't travel through bone nearly as easily as it does through air.
但是声音穿过骨头的过程远不如在空气中传播顺畅。
Butt sound doesn't travel through bone nearly as easily as it does through air.
但是声音穿过骨头的过程远不如在空气中传播顺畅。
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