MERV等级可以让你知道当花粉和霉菌在空气中传播时，过滤器将如何将之过滤。
A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.
烤牛肉诱人的香味弥漫在空气中。
烤牛肉的气味弥漫在空气中。
我可以在空气中闻到它。
当有人打喷嚏或咳嗽时，病毒可以在空气中传播一米远，所以你在与感冒患者交谈时最好站在适当的距离。
When someone sneezes (打喷嚏) or coughs, the viruses can travel as far as one meter through the air, so you'd better stand a proper distance while talking to someone who has a cold.
有趣的是，这些流体动力学的适应性变化和人类为了改进高速飞机在空气动力学方面的设计特点十分相似。
Interestingly enough, several of these hydrodynamic adaptations resemble features designed to improve the aerodynamics of high-speed aircraft.
孩子们在空气新鲜的地方玩耍对他们的健康有益。
而且，小汽车也在空气中释放污染。
牛顿发现了在空气中恒温声音的速度。
Newton had discovered the isothermal velocity of sound in air.
晚上通过电池储存能量保持在空气中。
At night it is maintained in the air by energy stored in the batteries.
浓烟罩住了画，弥漫在空气中。
他在空气中。 他在除草剂桶中。
And he was in the fish, and in the air, and in the barrels of weedkiller.
鉴于在空气中的稀释，室外的氡水平通常很低。
Due to dilution in the air, outdoor radon levels are usually very low.
电子音乐和原始的音效在空气中回荡。
你可以在空气中闻到味道。
到19世纪初，进化论的思想逐渐在空气中飘散。
By the beginning of the 19th century, the idea of evolution was in the air.
我离开了我的身体；我开始在空气中无声地飘荡着。
"I began to leave my body; I began to inhabit the air and silence."
我的新马跳跃而且举起了高的在空气中的她前面的脚。
My new horse jumped and lifted her front feet high in the air.
但这里非常小，这也就是为什么，在空气轨上做实验。
But there's very little, and that's why these experiments are done on these air tracks.
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.
研究人员用一个强大的激光发射器在空气中制造出水滴。
Using a powerful laser, researchers have created water droplets in the air.
人群似乎充满了整个城镇，省市的声音也在空气中传播。
The crowd seemed to fill the entire town and the sound of hymns rose into the air.
我妈妈总是尽量让我使用茶巾，但是它们总是消失在空气中。
My mom keeps trying to give me tea towels, but they have a way of disappearing into thin air.
小飞机可以在空气中飞翔，但是不能行驶在大街上。
Tiny planes work well in the air but don't have the chops to handle the street.
举个例子，我有这样一个心理图示，放置在空气中的物体会降落。
For example, I have a mental schema that suggests that things fall when left in middle air.
当炮弹在空气中运动的时候,其上升和下降的曲线形状几乎一样。
The shape of the curve when its falls is almost the same as the shape of the curve when its goin up into the air.
病毒和细菌也可通过咳嗽或喷嚏在空气中产生的飞沫传播。
They may also spread via air-borne droplets from a cough or sneeze.
病毒和细菌也可通过咳嗽或喷嚏在空气中产生的飞沫传播。
They may also spread via air-borne droplets from a cough or sneeze.
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