发音问题,又名构音障碍,是言语障碍的一种。这问题可出现在任何年龄的人士身上:儿童可能会因语音发展迟缓、口腔结构异常(如兔唇、裂颚)、口肌活动能力弱、控制不协调或听觉障碍而引致;患有脑部疾病或创伤的人亦同样可能有咬字不清的情况出现。
Speech disorders or speech impediments are a type of communication disorder where 'normal' speech is disrupted. This can mean stuttering, lisps, etc. Someone who is unable to speak due to a speech disorder is considered mute.
英汉双解词典包含3607232条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。