1 N-VAR 英语字母表的第24个字母 X is the twenty-fourth letter of the English alphabet. 英语字母表的第24个字母
2 (用于度量单位间)表示“乘以” When writing down the size of something, you can use x in between the measurements to mean 'by'. (用于度量单位间)表示“乘以”
3 N-PROPER (用于表示不知道或不愿透露的人名)某,X X can 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. (用于表示不知道或不愿透露的人名)某,X
4 (用于表示不确定或无需指明的数量) You can use X or x to refer to a number or amount when you do not know exactly how much it is, or when this information is not important. (用于表示不确定或无需指明的数量)
5 (用于书信或书面留言末尾,表示亲吻) x is used to represent a kiss at the end of a letter or written message. (用于书信或书面留言末尾,表示亲吻)
6 (用于在地图上标明确切方位) People sometimes write X on a map to mark a precise position that they want to refer to. (用于在地图上标明确切方位)
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