Read Edit View history 保持器 bǎochíqì retainer Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 保持器 · bǎochíqì · retainer 2026/03/04 保持器 bǎochíqì retainer (orthodontics) a dental appliance used to hold teeth in position 摘掉牙套后，你每天晚上都要佩戴保持器。 noun created sense Mar 4, 2026, 02:25 AM