... 手势语义学 body semantics 北美式手势语 ameslan 聋哑人的手势语 deaf-and-dumb signs ...
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N American sign language: a language in which meaning is conveyed by hand gestures and their position in relation to the upper part of the body 美国手语 ( abbr: ASL)
The sign language most commonly used in the U.S. is American Sign Language, sometimes called Ameslan or just Sign.
在美国通用的手势语是美国手势语言，有时被称为北美式手势语或者语言符号。
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