四级Therefore, these new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.
因此,这些新发现将有助于飞机乘客在乘飞机旅行时减少呼吸道感染的风险。
2019年12月四级真题(第一套)阅读 Section A
四级Prior to the new study, little was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane, the researchers said.
研究人员说,在这项新研究之前,人们对在飞机上直接感染常见呼吸道病毒(如流感或普通感冒)的风险知之甚少。
2019年12月四级真题(第一套)阅读 Section A
四级That is the conclusion of a new study that looked at how respiratory viruses spread on airplanes.
这是一项研究呼吸道病毒如何在飞机上传播的新研究得出的结论。
2019年12月四级真题(第一套)阅读 Section A
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