1.【地】(火山区的)喷气坑,气孔
1.a vent in a volcanic area from which steam and hot gases such as sulfur dioxide are emitted
1.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。
2.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。
3."Here boil the mud-pots, roar the fumaroles, and stand the sulphuric pillars" reads a local guidebook.
“泥浆沸腾,烟气咆哮,形成硫磺烟柱,”当地的导游书这么说。