N a vent in or near a volcano from which hot gases, esp steam, are emitted 火山区的喷气孔
The “jet-type noise” of gas and ash rushing out of fumaroles was heard several kilometers away.
蒸汽和火山灰从火山喷气口涌出时发出飞机发动机样的(巨大)噪音,人们在数公里之外都能听见。
New fumaroles were observed, and several geysers showed enhanced activity and increasing water temperatures.
科学家们观测到了新的火山喷气孔,而且几个间歇喷泉增强了活性并提高了水温。
Seismologists registered an ever increasing number of small earthquakes, fumaroles began to vent, and minor eruptions shot ash and steam out of its crater.
地震学家们发现小地震越来越多,喷气口(fumarole)开始活动,火山口不断有微小的火山灰和水蒸气喷发出来。
应用推荐