1、revolution

革命;武裝運(yùn)動

The period since the revolution has been one of political turmoil.

革命爆發(fā)后就陷入了政治動亂期。

after the French Revolution.

法國革命之后

重大變革;巨大變化

The nineteenth century witnessed a revolution in ship design and propulsion.

19世紀(jì)船舶設(shè)計(jì)和船舶動力領(lǐng)域發(fā)生了重大的變革。

the industrial revolution.

工業(yè)革命

2、operation

（由大量人員參與、具有高度組織性的）活動，行動，工作

The rescue operation began on Friday afternoon.

救援行動于星期五下午開始。

The soldiers were engaged in a military operation close to the Ugandan border.

這些士兵參加了烏干達(dá)邊境附近的一次軍事行動。

企業(yè)；公司

Thorn's electronics operation employs around 5,000 people.

索恩的電子公司雇用了約5,000名員工。

The two parent groups now run their business as a single combined operation.

這兩個(gè)母公司現(xiàn)在合并為一家企業(yè)經(jīng)營業(yè)務(wù)。

使用；運(yùn)作

Until the rail links are in operation, passengers can only travel through the tunnel by coach.

在鐵路連線開通之前，乘客只能乘坐長途客車穿越隧道。

the free banking system that has been in operation since the early eighties.

從80年代初就開始實(shí)行的自由銀行制度