U.
导读：单词音标
U.
汉语翻译【医】 单位英语解释名词 u.:a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
U.
汉语翻译【医】 单位英语解释名词 u.:a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
单词音标
U.
汉语翻译
【医】 单位
英语解释
名词 u.:
a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine同义词：uracil, U
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
同义词：uranium, U, atomic number 92
the 21st letter of the Roman alphabet
同义词：U, letter u
形容词 u.:
(chiefly British) of or appropriate to the upper classes especially in language use同义词：u
