Fires also sent smoke billowing over the region, causing breathing hazards.

大火导致浓烟滚滚，对人们的呼吸将产生危害。

Black smoke billowed over the port's ruins, as fire teams worked.

消防队救火时，黑烟在港口废墟上翻滚。

Thick black smoke billowed over tents, as residents jumped fences to escape the flames.

浓浓的黑烟在帐篷上空滚滚而过，居民们跳过栅栏躲避大火。

Hours later, smoke billowed over Tehran, where an oil refinery caught fire.

数小时后，因一座炼油厂起火，德黑兰上空浓烟滚滚。

Thick smoke billowed over the hilly field this morning. Emergency crews struggled to access the site to rescue passengers from overturned train cars.

今早，浓烟笼罩在丘陵地带，紧急救援人员努力进入现场，从翻车的火车车厢中营救乘客。