sign language 的英语意思
sign languageˈsign ˌlanguage noun [countable, uncountable] 
查看全部语言翻译 a language that uses hand movements instead of spoken words, used by people who cannot hear well手语；一种用手部动作代替口语词汇的语言，供听力障碍者使用
查看全部语言翻译 a language that uses hand movements instead of spoken words, used by people who cannot hear well手语；一种用手部动作代替口语词汇的语言，供听力障碍者使用