They are phonetic symbols, sound length, word stress, liaison and rhythm, of which phonetic symbols go first.

音标、音长、重音、连读和节奏。这其中，无疑音标学习应居其首。

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The recommended length for a ring tone is about 20 seconds, and to sound good, be sure your ring tones are loop-able, meaning that the end fits to the beginning.

铃声的建议长度为 20 秒，并且为了保证声音好听，一定要将铃声制作成循环播放的， 意思是结尾要连接到开始。

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The doleful silence was broken at length by the sound of the kitchen latch: Heathcliff had returned from his watch earlier than usual; owing, I suppose, to the sudden storm.

终于这场阴惨惨的沉寂被厨房门闩的响声打破了：希刺克厉夫守夜回来了，比平时早一点；我猜，是由于这场突来的风雪的缘故。

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The Doppler effect explains changes in the length of light waves or sound waves as they move toward you or away from you.

VOA: special.2009.04.29

Similarly, just as we have symbols for the presence of sound and its length, we have symbols that represent the absence of sound.

类似的,既然我们有符号,来表示声音的频率和长度,我们也有表示静音的符号

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It isn't the pitch you need to listen for, but the length of the sound itself.

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The following year, the band released its Words of Sound EP before following it up with the full-length Pontus, the Devil, and Me at the start of 2008.

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