On heavy air pollution days keep children with asthma indoors, when possible.

在重度空气污染的日子里，尽可能让哮喘患儿待在室内。

Israel carried out heavy air strikes on Gaza, including the deliberate destruction of two tower blocks.

以色列对加沙发动了猛烈的空袭，摧毁了两座塔楼。

Areas with heavy air traffic, like the U.S. and China, were also affected because fewer flights means less data.

美国和中国等空中交通繁忙的地区也受到了影响，因为航班减少意味着数据减少。

Syrian opposition activists say the government has launched its heaviest air raids since it started using warplanes earlier this year.

叙利亚反对派活动家称政府发动了空袭，这是自今年早些时候使用战机以来最猛烈的空袭。

The mountains are so high that they block the heavy moist air traveling eastward form the Pacific Ocean.

高山阻挡了从太平洋向东吹来的浓重潮湿空气。

Reports and videos from the town of Amanaz appear to show the aftermath of heavy air raids by Syria or Russian planes.

该镇名为Amanaz，从该镇发回的报道和录像展现了叙利亚或俄罗斯飞机强势空袭所造成的余波景象。

Reports and videos from the town of Amanaz appears to show the aftermath of heavy air rides by Syrian or Russian planes.

该镇名为Amanaz，从该镇发回的报道和录像展现了叙利亚或俄罗斯飞机强势空袭所造成的余波景象。

Henry hesitates before stiffly bumping his own knuckles against Alex's with the heavy air of an act of treason.

亨利犹豫了一下， 然后用自己的指关节僵硬地撞到了亚历克斯的指关节上， 带着叛国行为的沉重神情。

The colder air mass is heavier than the warmer air, and so the lighter, warmer air rises over the top of the heavier, cooler air.

较冷的气团比较热的空气重，因此较轻的空气——暖空气上升到较重、较冷的空气上方。

Harness clanked, golden dust clouded up behind the scuffling feet of the mules, black men and their beasts sweat in the heavy summer air.

马具叮当作响， 金色的尘土在骡子扭打的脚后方笼罩， 黑人和他们的牲口在夏日的闷热空气中汗流浃背。

The city saw 288 days of good air quality last year, up by 112 days from 2013, and only eight days of heavy air pollution, Yu said.

于建华介绍，2021 年，北京市优良天数达到 288 天，较 2013 年增加了 112 天，重污染日仅 8 天。

As the patch of air above collects moisture and heat cooler, heavier air sinks around it, pinching it off and pushing it aloft, like an invisible hot-air balloon.

上方的空气有了湿度和热能，较冷、较重的空气会向下包夹它，并把它向上推，如同隐形的热气球。

It’s been a fourth day of heavy air and artillery attacks on rebel-held neighbourhoods of Aleppo, described as one of the most intense bombardments the city has ever seen.

阿勒颇叛军控制地区遭遇了第四天的严重空袭和火炮袭击，这是这座城市有史以来遭遇的最剧烈的轰炸。

Some one had closed the porch door to keep out the wind, and in consequence circular tentacles of cigar smoke were twisting already upon the heavy air.

有人关上了门廊的门以挡风，结果雪茄烟雾的圆形触手已经在沉重的空气中盘旋。

In the heavy air of the room, and the heavy darkness that brooded in its remoter corners, I even had an alarming fancy that Estella and I might presently begin to decay.

在房间的浓重空气中，在更偏远的角落里孕育着浓重的黑暗，我甚至有一种惊人的幻想，即埃斯特拉和我目前可能开始衰败。