u_单词u_u的解释和用法

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英语单词分类轻松记单词

u

名词复数: u's

u基本解释

n.字母U

u同义词

uracil[化]尿嘧啶
uranium铀

u英英释义

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

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