内乱的英文：
internal disorder
civil strife

参考例句：

Civil strife,eg fighting between different political or religious groups within a country
内乱.

Prevent the recrudescence of civil disorder
防止内乱再次爆发.

Civil unrest which shook the framework of the old system
动摇了旧制度的内乱.

A civil strife is universally condemned as a crime.
内乱普遍被谴责为一种罪行。

The army is/are threatening to take over if civil unrest continues.
军方声称如内乱不平息将实行军管.

internal是什么意思：
adj. 内部的；里面的；内政的；国内的；本身的；自身的；内心的；头脑中的

That depends on internal and international factors.
这决定于国内的因素和国际的因素。

international common
国际公地

the First International
第一国际（1864－1876）

disorder是什么意思：
n. 混乱，凌乱；骚乱；动乱；紊乱，失调；不适
v. 使混乱；扰乱；使紊乱；使失调；使不适

To throw into disorder.
弄乱,使凌乱

Anxiety may disorder the stomach.
忧虑可能会引起胃部不适。

Anxiety may disorder the stomach.
忧虑可能会引起胃部不适。

civil是什么意思：
adj. 公民的；民事的；有礼貌的；民间的，国内的；民用的；世俗的；文职的

What are the other civilizations that are contemporary with the Sumerian civilization?
和苏美尔人同时代的文明还有哪些？

Wealth may not produce civilization, but civilization produces money.
财富未必创造文明，文明却能带来金钱。

The act or process of civilizing or reaching a civilized state.
开化,教化文明化的行为或过程,达到文明的状态