单词	lieutenancy
释义	lieutenancy noun lieu·​ten·​an·​cy lü-ˈte-nən(t)-sē   British  le(f)- : the office, rank, or commission of a lieutenant Word History First Known Use 15th century, in the meaning defined above
随便看	differencing differency different different animal different beast different drummer differentia differentiabilities differentiability differentiable differentiae differential differential analyzer differential association differential block differential brake differential calculus differential chain block differential diagnosis differential duties differential equation differential fertility differential gear differential geometry differential grasshopper

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