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单词
dah
释义
WordReference Random House Unabridged Dictionary of American English © 2024
dah
(dä),
USA pronunciation
n.
Cryptography, Telecommunications
an echoic word, the referent of which is a tone interval approximately three times the length of the dot, used to designate the dash of Morse code, International Morse code, etc. Cf.
dit.
1935–40
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更新时间:2025/11/13 13:11:21