defectionn.
英 dɪ'fekʃn | 美 dɪ'fɛkʃən
中文n. 背叛；缺点；变节；脱党
词根词源
defection (n.)1540s, "action of failing;" 1550s, "action of deserting a party, leader, etc." from Latin defectionem (nominative defectio) "desertion, revolt, failure," noun of action from past participle stem of deficere (see deficient). Originally used often of faith.
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