U

美音音标: [juː] U
英音音标: [juː] result.0.expl|add:"

解释
字母;

同义
uracil u
词性
n
解释
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
示例
None

同义
uranium u atomic number 92
词性
n
解释
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
示例
None

同义
u
词性
n
解释
the 21st letter of the Roman alphabet
示例
None

同义
u
词性
s
解释
(chiefly British) of or appropriate to the upper classes especially in language use
示例
None