the length of time的用法和樣例：
例句
- There are no obvious relationship between weakening of the glottal stop and the length of the tone.
喉塞尾弱化程度與入聲時長無明顯關係。 - As one of the leading prosodic features, the accent indicates an ascendence of the phonetic pitch and a lengthening of the temporal length.
重音是最主要的韻律特徵之一，重音在聲學上主要表現為音高的升高和時長的延長。
