x
柯林斯词典
1. N-VAR X is the twenty-fourth letter of the English alphabet. 英语字母表中的第24个字母
返回 x
X /ɛks/ (also x) (X's, x's)
剑桥词典
x noun (AMOUNT)
[ 不可数或单数名词：没有复数形式的名词 ]used to represent a number , or the name of person or thing that is not known or stated
未知（或未指明）的数（或人、事物）
If 2x = 8, then x = 4. 假设2x=8，则x=4。
Witness x stated that she had seen Cooper on repeated occasions . 一位不具名的目击者声称，她曾多次见到过库珀。
x noun (KISS)
[ 可数名词：有复数形式的名词 ] plural x'sused at the end of an informal piece of writing to represent a kiss
（用于非正式文体末尾，表示亲吻）
Write soon , all my love , Katy xxx 赶快回信，爱你的，凯蒂，吻你。
x noun (MISTAKE)
[ 可数名词：有复数形式的名词 ] plural x'swritten on an answer to a question to show that the answer is not correct
（表示答案错误的标记） 返回 x