请问principal和principle的区别
principal 可作名词或形容词，而principle 只能做名词。principal ['prɪnsəp(ə)l] 本金，委托人，资本，主角 ，最重要的，主要的。principle ['prɪnsəp(ə)l] 原理，原则，工作原理，法则。双语例句:The principal reason for my change of mind is this. 这是我改变主意的最主要原因。Donald King is the principal of Dartmouth High School. 唐纳德·金是达特茅斯中学的校长。Their principal concern is bound to be that of winning the next general election.他们最关心的问题肯定是赢得下一次大选。The students passed a motion of no-confidence in the college principal. 学生们通过了对校长进行不信任投票的动议。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。The doctrine was based on three fundamental principles. 这个学说建立在三条基本原理之上。These people lack all understanding of scientific principles. 这些人对科学原理一窍不通。I agree with it in principle but I doubt if it will happen in practice. 我大体上同意这一点，但是怀疑它是否能够付诸实践。
principle是什么意思
英语音标：[ˈprɪnsɪp(ə)l]
美语音标：[ˈprɪnsəpl]
中文翻译
n.原理；原则；主义；信念
单词例句
用作名词 (n.)
A bicycle and a motorcycle are built on the same principle. 自行车和摩托车是根据同样的原理制造的。
Archimedes ,a great physicist ,discovered the principle of floating bodies . 阿基米德，一位伟大的物理学家，发现了浮体原理。
It is easier to fight for one's principle than to live up to them. 为自己的主义斗争，要比他们施诸实践更容易。
He refused to attend the meeting on principle. 他出于信念拒绝参加这次会议。
语法用法
principle或principles都有表示“道德，情操”的意思。 He has both ability and principle(s).他既有能力又有情操。
in principle指“原则上，大体上”。 I accept the suggestion in principle.大体上来说，我接受这些建议。
on principle指“根据原则”或“按照”。 I accept the suggestion on principle.根据原则，我接受这些建议。 He acted always on principle.他总是按原则办事。
principal同principle的比较：两者的发音一样。principal作形容词时，指“主要的，首要的”，而作名词时，指“首长，负责人”。而principle是一种科学定律或者道德规范。
什么是Principle
principle 英[ˈprɪnsəpl] 美[ˈprɪnsəpəl]
n. 原则，原理; 准则，道义; 道德标准; 本能;
[例句]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。
[其他] 复数：principles
什么是Principle
principle
prin.ci.ple
[`prInsəpl; ˋprinsəpl]
《源自拉丁文“最初”的意思》
名词
1 (C)
a. (事所依据之根本) 原理,原则; (自然、逻辑等的) 法则,公理
first ~s
第一原理,本原
the ~ of causality
因果律
the ~s of economics
经济学原理
b. 原理,原则; 法则
The ~ was established that the chairman should change yearly.
主席应每年更换的原则已确定
2 (C)
a. 主义,基本方针,政策[of]
as a matter of ~ = by ~
当作原则的问题,按照原则,原则上
on the ~ of making hay while the sun shines
根据把握时机的原则
It is my ~ to decide everything on the spot.
凡事当机立断是我的原则
b. 原则
on the ~ that peace is essential
根据和平为不可或缺的这个原则
3 (U)[~s] (成为正邪基准的) 道义,道德,节操
a man of ~ [no ~]
有 [无] 节操的人
4 (C)
a. 根源,本质
the vital ~
活力,精力
b. 素因; 原动力
the ~s of human nature
人性的原动力 [本原]
c.‘化学’素,要素,精
bitter ~s
苦味素
a coloring ~
染色素
in principle
原则上,大体上
on principle
按照[根据]原则,从道德上的观点
principle和theory有什么区别？
principle
1.原则;原理[C]
I take this seriously. It's a matter of principle.
我对此很认真。这是原则问题。
2.主义;信条[C]
3.(机器等的)原理;构造;工作方式[C]
The two machines work on the same principle.
这两部机器的工作原理是一样的。
4.道义,节操[U]
He is a man of high principle.
他是节操高尚的人。
5.起源,本源
theory
1.学说;论说;...论[C][(+of)][+that]
Darwin spent more than twenty years working on his theory of evolution.
达尔文花了二十余年时间研究他的进化论。
2.理论;学理,原理[U][C]
It seems good in theory, but it doesn't work in practice.
理论上它似乎很不错,但实际上却行不通。
3.意见;推测,揣度[C][+that]
My theory is that we'll have a cold winter this year.
依我看今年冬天会很冷。
Many scientists accept the theory that the universe is growing larger.
许多科学家接受这样的看法:宇宙在不断增大。
简单说
principle强调准则、原则
theory 强调理论 ，与实践相对 apply theory to practice 把理论应用于实践
哪位英语高手帮我翻译下这段话！！！谢谢咯！！！
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Keyword : SQL database management Windows Visual Basic Books
that后面怎么可以接两句完整的句子?
分析句子And when,some days afterwards,时间状语it 形式主语was announced 谓语that引导主语从句 from now on the pigs 从句主语would get up从句谓语 an hour later in the mornings从句时间状语 than the other animals,从句状语no complaint主语 was made 谓语about that宾语 eitherno complaint主语 was made 谓语about that宾语 either这个句子前面应该有一个连词的。翻译，过了几天，又宣布从现在起，猪早上要比其他动物晚起一小时，对此也没有任何抱怨
