河内手语
Hanoi Sign Language
河内手语是一种手语，主要分布在越南。按 Glottolog 的评估，它的濒危程度为“正在流失”。
手语是完整的自然语言，有自己的语法；它们与当地口语并不同源。
Hanoi Sign Language is the deaf-community sign language of the city of Hanoi in Vietnam. It is about 50% cognate with the other sign languages of Vietnam, and its vocabulary has been extensively influenced by the French Sign Language once taught in Vietnamese schools for the deaf.
摘自英文维基百科 · Hanoi Sign Language · CC BY-SA 4.0