volcano
/vɒlˈkeɪnəʊ/noun
(pl. -oes 或-os)
1- a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust火山。
1.1
- figurative an intense suppressed emotion; a situation liable to burst out suddenly〈喻〉被抑制的强烈情感; 随时可能爆发的状态：
what volcano of emotion must have been boiling inside that youngster.
什么样的强烈情感会是在那年轻人心中沸腾啊。
词源
early 17th cent.: from Italian， from Latin Volcanus 'Vulcan'.