The researchers first tried out their device on gas emissions from Nicaraguan craters in 2000.
研究人员于2000年首次试验这种装置,用以侦测尼加拉瓜的火山口排出的气体.
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Nicaraguan naval authorities had banned sea travel in the area because of bad weather and strong winds, but the tour boat proceeded anyway.
出自-2017年6月听力原文Blandon, the boat’s owner, has been arrested by Nicaraguan authorities, the state-run news agency said.
出自-2017年6月听力原文Blandon, the boat's owner, has been arrested by Nicaraguan authorities, the state-run news agency said.
2017年6月四级真题（第一套）听力 Section Anicaraguan naval authorities had banned sea travel in the area because of bad weather and strong winds, but the tour boat proceeded anyway.
2017年6月四级真题（第一套）听力 Section A"Nicaraguan earthquakes"