intercalationn.
ɪn,tɝkə'leʃən
中文n. 插入；插语症；设置（闰日、闰月等）
词根词源
intercalation (n.)1570s, from Latin intercalationem (nominative intercalatio) "insertion of an intercalary day," noun of action from past participle stem of intercalare (see intercalate).
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