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单词
urea
释义
urea n[U] white soluble crystalline compound contained esp in the urine of mammals 尿素.
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undreamed-of
undress
undressed
undrinkable
undue
undulate
undulation
unduly
undying
unearned
unearth
unearthly
unease
uneasily
uneasy
uneatable
uneconomic
uneconomical
uneconomically
uneducated
unemployed
unemployment
unemployment benefit
unending
unequal
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更新时间:2025/9/5 6:04:14