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the letter X / x
用于指代英文字母X或x本身。
The letter x is the 24th letter of the English alphabet.
字母x是英语字母表中的第24个字母。
英文字母 X
Xes — plural of x
先理解核心含义，再看它在真实句子里的用法。
英文字母 X
the 24th letter of the English alphabet
The letter x is the 24th letter of the English alphabet.
字母x是英语字母表中的第24个字母。
Any mark that looks like that letter, such as a mark made by a person who cannot read or write in lieu of a signature.
Cross, crossing.
The spot behind the goal.
In the English alphabet, x is the 24th letter.
在英语字母表中，x 是第二十四个字母。
The word 'six' ends with the letter x.
单词 six 以字母 x 结尾。
Can you find the x key on your keyboard?
你能在键盘上找到 x 键吗？
用于指代英文字母X或x本身。
The letter x is the 24th letter of the English alphabet.
字母x是英语字母表中的第24个字母。
表示未知数、变量或待定的事物。
In mathematics, x often represents an unknown number.
在数学中，x通常代表未知数。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
X射线
The doctor ordered an X-ray of her chest.
医生给她安排了胸部X光检查。
X染色体
Females have two X chromosomes, while males have one.
女性有两条X染色体，而男性有一条。
未知因素；关键因素
The team's spirit was the X factor in their victory.
团队精神是他们获胜的关键因素。
求解x
In algebra class, we learned to solve for x.
在代数课上，我们学习了求解x。
X轴
Plot the point on the X-axis at x = 3.
在X轴上x=3处标出该点。
X标记位置
On the treasure map, an X marks the spot where the gold is buried.
在藏宝图上，一个X标记了埋藏黄金的位置。
此处标有X记号（常用于地图上指示地点）
The treasure map had an X marking the spot where the gold was buried.
藏宝图上有一个X标记着埋藏黄金的地点。
未知因素；非凡特质
She has that x factor that makes her performances unforgettable.
她拥有那种让人难忘的表演特质。
X级的；色情的
The movie was so explicit that it received an x-rated classification.
这部电影过于露骨，被定为X级。
X标示地点
The treasure map shows an X marking the spot where the gold is buried.
藏宝图上有一个X标示着金子埋藏的地点。
X会把它给你
When you see me in the club, I'm like 'X gon' give it to ya'.
当你在俱乐部看到我时，我就像'X会把它给你'。
Use Xes naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
字母X形似叉号，数学中常代表未知数，看到X就想到“未知”的谜题。
通常用于表示字母、未知数或变量，中性语域，常见于字母表、数学、代数以及成绩标记等场景。
作为字母或未知数时通常可数
Dictionary facts from ECDICT, WIKTIONARY.