Japanese Sign Language (JSL), the sign language used by Japan's deaf community; a natural language with its own grammar distinct from spoken Japanese.
日本手話は独自の語順や表現を持つ言語だ。
Japanese Sign Language is a language with its own word order and expressions.
彼は日本手話を学んで手話通訳士の資格を取った。
He studied Japanese Sign Language and obtained certification as a sign language interpreter.
学校で日本手話の授業が始まり、学生の関心が高まっている。
Courses in Japanese Sign Language have started at the school, and student interest is increasing.