visible speech

常见例句

Bell's father had even gone so far as to develop a system of so-called "visible speech" for the deaf.
貝爾的父親甚至爲聾人發明了一套所謂的“可見的語言”。
visible speech sound spectrograph
語圖儀
A few jokes will add a final fillip to your speech.
幾句笑話會給你的縯說添些生氣。
He's a fervent believer in free speech.
他是言論自由的強烈信仰者。
The hills were barely visible through the mist.
小山隱沒在薄霧中難以看清。
The big rafter is visible in this room.
這間屋子粗大的椽子可以看得見。