(also dentures) noun [pl] artificial teeth that are worn by sb who has lost his/her natural teeth 假牙

/ˈfɔ:lsɪfaɪ ||; ˈfɔlsəˌfaɪ/verb [T] (present participle falsifying third person singular present falsifies;past tense past participle falsified) (formal 正式) to change a document, information, etc so that it is no longer true in order to trick sb 窜改（文件、数据等）: to falsify data/records/accounts 窜改数据╱记录╱账目