x

英 [eks]

美 [eks]

n.  英语字母表的第24个字母; 代表未知数; 未知的人(或数、影响等); 未指明的人(或数、影响等)
symb.  (罗马数字)10; 置于书信等的结尾，表示亲吻; 在选举中表示投给某人的一票

计算机

BNC.1553

牛津词典

noun

• 英语字母表的第24个字母
  the 24th letter of the English alphabet
  1. ‘Xylophone’ begins with (an) X/‘X’.
     xylophone一词以字母x开头。
• （代表未知数）
  used to represent a number whose value is not mentioned
  1. The equation is impossible for any value of x greater than 2.
     当x的值大于2时，这个等式不成立。
• 未知的人（或数、影响等）；未指明的人（或数、影响等）
  a person, a number, an influence, etc. that is not known or not named
  1. Let's suppose X knows what Y is doing.
     假设X知道Y正在干什么。

symbol

• （罗马数字）10
  the number 10 in Roman numerals
• （置于书信等的结尾，表示亲吻）
  used to represent a kiss at the end of a letter, etc.
  1. Love from Kathy XXX.
     爱你的凯西，吻你，吻你，吻你。
• （在选举中表示投给某人的一票）
  used to show a vote for sb in an election
  1. Write X beside the candidate of your choice.
     在你选择的候选人旁边打一个X。
• （表示书面答案是错的）
  used to show that a written answer is wrong
• （用以标明方位，如在地图上）
  used to show position, for example on a map
  1. X marks the spot.
     X标出了所说的地点。

柯林斯词典

• 英语字母表的第24个字母
  Xis the twenty-fourth letter of the English alphabet.
• （用于度量单位间）表示“乘以”
  When writing down the size of something, you can usexin between the measurements to mean 'by'.
  1. The conservatory measures approximately 13ft x 16ft.
     温室的大小大约是13英尺乘16英尺。
• N-PROPER （用于表示不知道或不愿透露的人名）某，X
  Xcan be used to represent the name of a person when you do not know their real name, or when you are trying to keep their real name a secret.
  1. ...Dr. X.
     某医生
• （用于表示不确定或无需指明的数量）
  You can useXorxto refer to a number or amount when you do not know exactly how much it is, or when this information is not important.
  1. You can only make X amount of dollars a year.
     你一年只能赚那么多钱。
• （用于书信或书面留言末尾，表示亲吻）
  xis used to represent a kiss at the end of a letter or written message.
• （用于在地图上标明确切方位）
  People sometimes writeXon a map to mark a precise position that they want to refer to.

双语例句

• A neutron star has a gravitational field strong enough to generate X-rays.
  中子星上存在强大的重力场，足以产生X射线。
• You might still want to go for an X-ray, however, just to be on the safe side.
  不过，为稳妥起见，你可能还想要照一个X光。
• Select ( what is) x, and reject ( what is) y.
  取其x，弃其y。
• Filmmaking was transformed by digital editing, digital f/ x, and digicams.
  数字剪辑、数码特效以及数码摄像机改变了电影摄制方式。
• It will only register on sophisticated X-ray equipment
  只有精密的X射线仪器才能显示出来。
• Suppose the width of a rectangle is x metres.
  设长方形的宽是x米。
• He has even had the temerity to invoke the names of Martin Luther King Jr and Malcolm X in defence of his actions.
  他竟然敢搬出马丁·路德·金和马尔科姆·艾克斯的名字来为自己的行为辩解。
• Let x be the equal of y.
  设x等于y。
• The company's latest newcomer is a 4 x 4 estate with a 2.2 litre petrol engine.
  公司最近新到了一辆有2.2升汽油发动机的4x4客货两用车。
• The XPath expressions ( x!= y) and not ( x= y) are different.
  XPath表达式（x！=y）和not（x=y）是不同的。