U

英 [juː]

美 [juː]

n.  英语字母表的第21个字母
abbr.  U类影片(适合所有观众)

计算机

BNC.20206

牛津词典

noun

• 英语字母表的第21个字母
  the 21st letter of the English alphabet
  1. ‘Under’ begins with (a) U/‘U’.
     under一词以字母u开头。

abbr.

• U类影片（适合所有观众）
  universal (the label of a film/movie that is suitable for anyone including children)
  1. Aladdin, certificate U
     U类电影《阿拉丁》

柯林斯词典

• 英语字母表的第21个字母
  Uis the twenty-first letter of the English alphabet.
• （用作首字母为 u 的一些单词的缩写，如 unit, united 或 University）
  Uoruis used as an abbreviation for words beginning with 'u', such as 'unit', 'united', or 'University'.

双语例句

• And, u and v will be some functions of x and y.
  然后，u和v将会以x和y的方程的形式表达。
• I will replace them by u's and v's.
  要用u和v来替代。
• I still believe that U will be here.
  我仍然相信你会在这里。
• The roads twist round hairpin bends
  道路呈U字形蜿蜒曲折。
• V Let's try to figure out these vectors U and V.
  让我们试着计算出向量，U和。
• How long have u been doing this?
  你干这活多长时间了？
• I was wondering who abducted u, but now I know.
  我还在想是谁绑架你了，现在知道了。
• That design, they say, is shaped like the letter U.
  这个设计，他们说是一个像大写字母U的形状。
• They saw y o u, y o u saw them.
  他们看见了你，你也看见了他们。
• In other words, u is a function of T and V.
  话句话说，u是T和V的函数。