高频核心词牛津核心词中考

us

/ʌs/

我们；[经] 美国

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us 的中文释义

n North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
n a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
n a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
n the 21st letter of the Roman alphabet

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