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。
sway是什么意思？
sway英 [sweɪ] 美 [swe] sway有以下几种意思：vt. 影响；统治；使摇动vi. 影响；摇摆n. 影响；摇摆；统治n. (Sway)人名；(以)斯韦短语有：1.bear(或hold) sway (over) 有支配(…的)权力；有左右(…的)力量2.under the sway of 在…支配之下；在…影响下[亦作under someone's sway]例句有：1.You might think you being objective but you could unwittingly sway the reader with yourchoice of words. 你可能认为你是客观的，但是你可能无意中用你所选择的言辞影响了读者。2.For people who earn that much or more, individual temperament and life circumstances havemuch more sway over their lightness of heart than money. 对于赚到这个数目或更多的人来说，个性气质和生活情况对心情畅快的影响比金钱的影响要大得多。3.This flexibility allows the statue to sway in the harbor winds. 这使雕像具有能够在港湾中随风摇摆的灵活性。相同意思的英语还有：vt. 影响；统治；使摇动affect , influence , impact of , impact on , reachvi. 影响；摇摆impact of , impact on , work onn. 影响；摇摆；统治effect , influence , infection , impression , governance
请问sway 和swing 的区别?
sway, n. 摇,影响力,支配； v. 使摇动,支配。一般表示物体的下端固定，上端“摇动”。如：The sailboat swayed on the stormy sea.(帆船在惊涛骇浪的大海中摇晃。)
swing， n. 摇摆,改变,冲力， 秋千，摇摆； v. 摇摆,使...旋转,动摇。多表示物体的上端固定，下端“摆动”。如：The pendulum swings.(钟摆摆动。)
sway是下部不动，上部摇摆，比如人跳舞时的摇摆
swing是上部不动，下部摇摆，比如吊灯
