Scientists on Wednesday raised the alert level for Anak Krakatoa and Tangkuban Prahu -- which regularly spew gas and rumble -- from "normal" to "warning," the middle of three alert levels.
上周三,科学家们将喀拉喀托
山
唐库班珀拉胡
山
警戒度由“正常”提高到“警告”,三级警戒

等级,因为这两座
山近来定期喷出
山灰,并发出隆隆
声音。
词
山;
观点;若发现问题,欢迎向我们指正。


