1、lamda lmdamu mju:nu nju:xi ksai / gzai / zaiomicron oumaikranpi pairho rousigma sigmatau tauupsilon ju:psilon / ju:psailano 是反 c 。phi faichi kaipsi psi:omega oumiga / oumi:ga 各种符号的读法 1.backquote 反引号;2.grave accent 重音符 tilde! exclamation mark,不读 at# number sign, 英语国家是hash,美语是pound sign,音乐里作sharp,如C#$
2、 dollar% percent caret& ampersand* asterisk,star(美语),数学公式中作multiply( parenleft,opening parentheses) parenright,closing paretheses- minus; hyphen连字符,不读_ underscore+ plus= equal bracketleft,opening bracket bracketright,closing bracket braceleft braceright; semicolon: colon quote doublequote/ slash bac
3、kslash 反斜杠| bar, comma greater. period? questionspace 空格一些特殊符号的英文读法: is less thanis more thanis not less thanis not more thanis less than or equal to 小于或等于号-hyphen 连字符is more than or equal to 大于或等于号apostrophe 省略号,英文中省略字符用的撇号;所有格符号percentdash 破折号per milleinfinity 无限大号varies as 与成比例( )parentheses 圆括号(
4、square) root 平方根 square brackets 方括号since; because 因为 French quotes 法文引号;书名号hence 所以ellipsis 省略号equals, as (proportion) 等于,成比例tandem colon 双点号angle 角ditto 双点号semicircle 半圆parallel 双线号circle 圆virgule 斜线号circumference 圆周swung dash 代字号triangle 三角形section; division 分节号perpendicular to 垂直于arrow 箭号;参见号uni
5、on of 并,合集intersection of 交,通集the integral of 的积分plus or minus 正负号summation of 总和is multiplied by 乘号degree 度is divided by 除号minute 分second 秒is not equal to 不等于号is equivalent to 全等于号Celsius degree 摄氏度is equal to or approximately equal to 等于或约等于号数学中的英语表示法一、小数表示法1、小数用基数词来表示,以小数点为界,小数点左首的数字为一个单位,表示整数,数字
6、合起来读;小数点右首的数字为一个单位,表示小数,数字分开来读;小数点读作 point,o读作 zero或oou,整数部分为零时,可以省略不读。0.4 zero point four或point four 零点四10.23 ten point two three 十点二三25.67 twenty-five point six seven 二十五点六七l.03 one point o three 一点零三2、当数字值大于1时,小数后面的名词用复数,数字值小于1时,小数后面的名词用单数。1.03 meters 一点零三米 0.49 ton 零点四九吨l.5 tons 一点五吨二、分数表示法1、分数是
7、由基数词和序数词一起来表示的。基数词作分子,序数词作分母,除了分子是“1”以外,其它情况下序数词都要用复数形式。3/4 three fourths或 three quarters1/3 one third或a third24/25 twenty-four twenty-fifths3-1/4 three and one fourth或 three and one quarter1/2 a half1/4 one quarter或a quarter1-1/2 one and a half1-1/4 one and a quarter2. 当分数后面接名词时,如果分数表示的值大于1,名词用复数;小
8、于1,名词用单数。 1-1/2 hours 一个半小时(读作 one and a half hours) 2-3/4 meters 二又四分之三米(读作two and three-fourths meters) 4/5 meter 五分之四米 5/6 inch 六分之五英寸三、百分数表示法百分数用基数percent表示50 fifty percent百分之五十3 three percent百分之三0.12 zero point one two percent 百分之零点一二这里的percent前半部per表示“每一”,cent这一后半部分表示“百”,所以百分之几中percent不用复数形式。四
9、、加、减、乘、除和乘方表示法 1、“加”用plus,and或add表示;“等于”用is,make,equal等词表示。 2+3=? 可表示为: How much is two plus three? 2+3=5 Two plus three is five Two and three is equal to five Two and three make five Two added to three equals five If we add two to/and three, we get five 二加三等于五 2、“减”用 minus或 take from表示 10-6?How muc
10、h is ten minus six? 10-6=4 Ten minus six is four Take six from ten and the remainder is four. Six (taken) from ten is four十减去六等于四 3、“乘”用time(动词)或multiply表示 3X4? How much is three times four? 3X4=12 Three times four is/are twelve Multiply three by four,we get twelve Three multiplied by four makes twe
11、lve 三乘以四等于十二4、“除”用divide的过去分词形式表示164=? How much is sixteen divided by four?44 Sixteen divided by four is fourSixteen divided by four equals/gives/makes four十六除以四等于四。 5、表示“n次方”的说法:指数用序数词,底数用基数词。10的7次方 the seventh power of ten(ten to the seventh power)6的10次方 the tenth power of six(six to the tenth pow
12、er)10-43 ten to the minus forty-third power五、数量表示法表示长、宽、高、面积等,用基数词+单位词(meter,foot,inch,kilogram等)+ 形容词(long,wide,high等)表示,或者用基数词+单位词 + in + 名词(length, width, height, weight等)表示。two meters long或 two meters in length 2米长three feet high或 three feet in height 3英尺高four inches wide或 four inches in width 4
13、英寸宽This box is 2 kilograms in weight这个盒子有两千克重。The city wall of Xian is 12 meters wide and 12 meters high西安城墙是12米宽,12米高。年月日表示法 年份用基数词表示,一般写为阿拉伯数字,读时可以以hundred为单位,也可以以世纪、年代为单位分别来读。1949 读作 nineteen forty-nine 1800 读作 eighteen hundred 2008 读作 twenty O eight253 读作 two hundred and fifty-three或two fifty-three 表示在哪一年,一般在年数前加介词in,使用year时,year放在数词之前。in t
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1