A third type of mountain may be formed as a result of volcanic activity which occurs in regions of active fold mountain belts, such as in the Cascade Range of western North America.

第三种类型的山可能是由于火山活动形成的，一般发生在活动性褶皱带地区，如北美西部的喀斯喀特山脉。

youdao

youdao

youdao

He said that would trigger a cascade of events in which Honduras would find itself thrown out of many components of the inter-American system.

VOA: standard.2009.07.01

Some say a solution is to suspend the mark-to-market accounting rules that have caused the cascade of write-downs in the first place.

FORBES: Credit Crisis

Until recently, says Lee Fromson, a vice-president with Cascade Designs in Seattle which specialises in outside sleeping equipment, anyone getting into this sector could expect their business to grow by 20% a year.

ECONOMIST: The leisure industry: Even campers grow old | The

That's the first step in the endless cascade of junk mail from credit-card companies that pile up in your mailbox.

FORBES: Magazine Article