形容詞 volcanic:

1. relating to or produced by or consisting of volcanoes
2. explosively unstable
3. igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt

1. Of volcanic origin.
   火山生成的
2. Pulverized particulate matter ejected by volcanic eruption.
   火山灰火山爆發(fā)噴射出來的粉末狀顆粒物質(zhì)
3. The temperature of volcanic gases is very high.
   火山氣體的溫度很高。
4. The French Revolution was a volcanic upheaval in European history.
   法國大革命是歐洲歷史上的火山爆發(fā)。

vol.can.ic

adj.（形容詞）
Of, resembling, or caused by a volcano or volcanoes:
火山的：火山的、象火山的或火山引起的：
例句：
a volcanic peak; volcanic islands.
火山峰；火山島

Produced by or discharged from a volcano:
火山的：火山制造或釋放出的：
例句：
volcanic ash.
火山灰

Characterized by the presence of volcanoes.
火山性的：以火山的出現(xiàn)為特征的
Powerfully explosive:
暴烈的：具有強(qiáng)大爆炸性的：
例句：
a volcanic temper.
暴烈的脾氣

【引伸】
volcan.ically
adv.（副詞）