pitch of signal note中文,pitch of signal note的意思,pitch of signal note翻译及用法 2026-07-19 22:30 浏览次数 28 pitch of signal note英[pitʃ ɔv ˈsiɡnəl nəut]美[pɪtʃ ʌv ˈsɪɡnəl not]信号音调