| 单词 | x, x |
| 释义 | x, x/eks ||; ɛks/noun1. [c,u] (plural x's;x's /ˈeksɪz ||; ˈɛksɪz/) the twenty-fourth letter of the english alphabet 英语字母表的第二十四个字母: ◇‘xylophone’ begins with (an) ‘x’. xylophone以字母x开头。 2. [u] (mathematics数学) used to represent a number whose value is not mentioned （用于代表未知数或变量）: ◇the equation is impossible for any value of x greater than 2. 如果未知数x大于2，这个方程式就不能成立。 3. [u] a person, a number, an influence, etc that is not known or not named 未知的人、数及影响等: ◇let's suppose x knows what y is doing. 我们假设x知道y在做什么。 ☞the symbol x represents the number 10 in roman numerals and it is also used by teachers to show that an answer is wrong. at the end of a letter it represents a kiss lots of love, mary xx. x代表罗马数字10。教师还用x表示答案错误。x在信末代表亲吻：lots of love, mary xx.献上我的爱，玛丽（吻你、吻你） x, x /ɛks; eks/the letter 'x' 字母 x |
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