Upheaval

[ʌp'hiːv(ə)l] or [ʌp'hivl]

(noun.) (geology) a rise of land to a higher elevation (as in the process of mountain building).

整理:谢尔登--From WordNet

(n.) The act of upheaving, or the state of being upheaved; esp., an elevation of a portion of the earth's crust.

整理:罗威娜

The reverse process, a process of crumpling and upheaval, has also been in progress, but less regularly. 赫伯特·乔治·威尔斯. 世界史纲.
If there was danger of an upheaval, we would be warned by the hot springs, but they are just bubbling as usual. 弗格斯·休姆. 奇幻岛.
The forces of upheaval have been spasmodic; the forces of wearing down continuous. 赫伯特·乔治·威尔斯. 世界史纲.
In France, the nest and home of Grand Monarchy, the heart and centre of Europe, came this second upheaval. 赫伯特·乔治·威尔斯. 世界史纲.

凯西整理