养在户外笼子里的鸟对空气传播的病毒有免疫力。
Birds in outside cages develop immunity to airborne bacteria.
如果这种病毒能够通过空气传播，或者如果一名感染者在不知情的情况下进入了人口密集的地区，那么埃博拉可能已经成为一种全球流行病。
If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center, Ebola might have become a worldwide epidemic.
它很容易通过空气传播。
尚无流行病学证据支持人之间通过空气传播。
There is no epidemiological evidence supporting airborne spread between humans.
与普通感冒一样，该病经空气传播。
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.
答：结核病是通过空气传播的一种传染性肺病。
A: Tuberculosis (TB) is a contagious lung disease that spreads through the air.
我们知道声音可以通过空气传播。
它通过空气传播，可通过咳嗽在人与人之间传染。
It spreads through the air and can be passed from person to person by coughing.
目前并无证据显示疾病是由空气传播。
某些核辐射可能通过空气传播到美国西海岸。
Some of that radioactivity could carry in the atmosphere to the west coast of the United States.
当感染者急促地排出气体时病毒通过空气传播。
The virus spreads through the air when an infected person expels air suddenly.
声音靠空气传播，因此没有空气也就没有声音。
Sound is carried by air, and without air there can be no sound.
声音靠空气传播，因此没有空气也就没有声音。
Sound dis carried by air, and without air there can be no sound.
氚发出的辐射很弱，在空气传播不远，不能穿透皮肤。
Tritium emits a weak form of radiation that does not travel very far in the air and cannot penetrate the skin.
白喉及百日咳可由患者呼吸道分泌物通过空气传播。
Diphtheria and whooping cough are transmitted through the air from respiratory secretions of infected patients.
肮脏的空气或空气传播的垃圾引起眼睛刺痛和流鼻涕。
Dirty air or air-borne garbage causes stinging eyes and running nose.
空气传播的致癌物在大气中是烟炱粒子上吸附的物质。
The airborne carcinogens are in the atmosphere as absorbed matter on soot particles.
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.
结核病可以在感染人群咳嗽、打喷嚏甚至说话时通过空气传播。
TB can be spread through the air when an infected person coughs or sneezes or even speaks.
他们可能意识到声音是通过空气传播的波，并可能有声音传播时空气压缩的概念。
They probably realized that sound was a wave propagating through the air and may have had a notion of the compressibility of air during sound propagation.
偶然接触者的低传播率表明，如果确实发生，经过呼吸道的空气传播是无效的。
The low rate of transmission to persons with casual contact suggests that aerosol transmission via the respiratory tract is not efficient, if it occurs at all.
在秘鲁进行的一项研究表明，只要打开门窗就可能降低感染结核病和和其它空气传播疾病的风险。
The risk of catching tuberculosis (TB) and other airborne diseases may be reduced simply by opening Windows and doors, according to a study in Peru.
过去二十年来，这一空气传播疾病在南撒哈拉非洲地区有所抬头，对贫困人口造成了更严重的影响。
Over the past two decades, sub-Saharan Africa has seen a resurgence of this airborne disease, which disproportionately affects the poor.
在医院和其他人群聚集的地方，特别是艾滋病毒/艾滋病传播的环境中，必须改进对经空气传播的病原体的感染控制。
Infection control for airborne pathogens must improve in hospitals and other congregate settings, especially where HIV/AIDS is widespread.
内部一个粉尘抑制系统通过洒水装置定期喷洒稀释溶液，来防止防止放射性物质通过空气传播，从而有助于防止其泄露。
To help keep radioactive matter from leaking, a dust - suppression system inside relies on sprinklers that periodically spray a watery solution to prevent it from becoming airborne.
使用从孕妇背包得到的数据，研究人员报告在1998年到2006年间空气传播的水平下降了百分之50多。
Using data from the women’s backpacks, researchers reported that airborne levels dropped by more than 50 percent between 1998 and 2006.
使用从孕妇背包得到的数据，研究人员报告在1998年到2006年间空气传播的水平下降了百分之50多。
Using data from the women’s backpacks, researchers reported that airborne levels dropped by more than 50 percent between 1998 and 2006.
应用推荐