dah 详细解释

dah

[dɑ:]

n. (莫尔斯电码和类似的密码中的)长划

英英释义

名词 dah:

the longer of the two telegraphic signals used in Morse code

同义词:dash

补充

dahdah英:[dɑ:] 美:[dɑ]n.1.大刀,长划