1.
a sound wave that is transmitted via air.
通过空气传播的声波。
2.
A tuning fork transmits sound waves through the air.
音叉通过空气传播声音。
3.
a space heater that transfers heat to the surrounding air by convection.
通过对流向周围空气传播热量的空气加热器。
4.
Most of the sounds you hear come through the air.
你听到的大多数声音都是通过空气传播的。
5.
Study on Source Airborne Molecular Contaminant,and Monitoring System
空气传播分子污染物、源头及监控系统的研究
6.
The airborne carcinogens are in the atmosphere as absorbed matter on soot particles.
空气传播的致癌物在大气中是烟炱粒子上吸附的物质。
7.
Chemical pollutants released into water or spread through the air are often invisible to the human eye.
释放到水体中或空气传播的化学污染物通常是不可见的。
8.
Air is the medium of the sound.
空气是传播声音的介体。
9.
Air is a medium for sound.
空气是声音的传播媒介。
10.
It travels more than four times faster in water than in air .
声音在水中比在空气中传播快4倍多。
11.
We all know that sound can travel through air .
我们都知道声能在空气中传播。
12.
How much does sound travel faster in water than in air ?
声音在水中比在空气中传播快多少?
13.
many people didn't believe that electromagnetic waves traveled through the air.
许多人不相信电波可以在空气中传播。
14.
Just how fast does sound travel through the air?
声音在空气中的传播速度究竟有多快？
15.
Sound travels through the medium fo air.
声音通过空气作为媒介传播。
16.
The Air Microbes Transmit and Disinfection Control Method in VAC System;
通风空调系统空气微生物传播与消毒控制方法
17.
Investigation on Propagation of Premixed Methane-air Explosion Flame in Tube;
管道中甲烷—空气预混气爆炸火焰传播的研究
18.
Sound is conducted through steel in the same manner as through air.
声音在钢中传播的方式与空气中传播的方式相同。