1、principle

道德原则；行为准则；操守

Buck never allowed himself to be bullied into doing anything that went against his principles...

巴克从来不会因为受到威胁而做违背自己原则的事情。

moral principles.

道德准则

法则；原则；原理

a violation of the basic principles of Marxism.

违背马克思主义的基本原则

The doctrine was based on three fundamental principles.

这个学说建立在三条基本原理之上。

（科学）原理，定律

These people lack all understanding of scientific principles.

这些人对科学原理一窍不通。

the principles of quantum theory.

量子论原理

2、component

组成部分;成分

Enriched uranium is a key component of a nuclear weapon.

浓缩铀是核武器的关键组成部分。

The management plan has four main components.

管理计划有4个主要部分。

组成的;构成的

Gorbachev failed to keep the component parts of the Soviet Union together.

戈尔巴乔夫没能把苏联各成员国团结在一起。

Polish workers will now be making component parts for Boeing 757s.

现在波音757飞机的组成部件将由波兰工人制造。