Front | ann, enn |
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Back | 词根含义:year; 助记词:biannual,bi(twice)+ann+ual(形容词后缀)=》一年两次 同根词:annals, anniversary, annual, annuity, biannual, biennial, biennium, perennial, semiannnual, superannuate, |
Tags: 400root-中文版
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