美英
US and UK
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📖 Additional Information
English Phonetic:
ʌs
Detailed Definition:
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\nn a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine\nn a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons\nn the 21st letter of the Roman alphabet