n.(名词)- 英语字母中的第二十一个字母
- 【化】元素铀的符号
- 上流社会，上层阶级
- U音
- U铅字或图章等
- 表示"第二十一"的符号
- 缅甸男子姓名前的专称
abbr.(缩略词)- = atomic mass unit 原子质量单位
Noun:- a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
- a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
- the 21st letter of the Roman alphabet
Adjective:- (chiefly British) of or appropriate to the upper classes especially in language use
u是什么意思 u在线翻译 u什么意思 u的意思 u的翻译 u的解释 u的发音 u的同义词
