这里可能有许多靠空气传播的病原体携带病毒。
There would have to be some sort of airborne pathogens that spread the virus.
即使病毒是通过气体——空气传播的。
"Even for those viruses that are spread by aerosol" - through the air.
全世界正按计划扭转这一通过空气传播的致命疾病的传播率。
The world is on track to reverse the spread of this airborne killer.
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。
Light travels slower through water, glass, even air, than through a vacuum.
空气是声音传播的媒介。
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.
空气是声音的传播媒介。
声音在空气中的传播速度究竟有多快?
空气及其他介质中的各种振动都是以波动的形式传播的。
The vibration in the air and in the other media travels as a wave motion.
声音在水中的传播速度几乎是在空气中传播速度的五倍。
空气是声音传播的介质。
空气是传播声音的媒介。
空气是传播声音的媒介物。
声音在空气中以每秒1100英尺的速度传播。
声音在空气中以每秒1100英尺的速度传播。
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