They're still 600 feet above the lava lake.

还要继续下降 600 英尺才能到达熔岩湖。

The lava lake is now overflowing in three different areas.

现在，熔岩湖在三个地方开始溢出。

This volcano is remarkable in that its crater contains an active lava lake.

这座火山的突出之处在于它的火山口里有一个活跃的熔岩湖。

She said the lava lake looks similar to conditions seen before a major summit eruption in 1924.

她说熔岩湖看起来与 1924 年山顶大喷发前的情况相似。

The lava lake and the volcano's crater has been dropping for weeks now and officials are concerned that that could lead to a phreatic eruption, when steam from ground water builds up and causes an explosion.

熔岩湖和火山的火山口已经下降了几个星期了，政府官员们担心，当来自地下的蒸汽积聚起来并引起爆炸时，可能导致潜水喷发。