threshold of sound intensity 限界声强
threshold sound intensity 阈值声强
threshold of sound [生理] 听阈
sound hearing threshold test 纯音听阈测试
I love better than any theory the sound of the Gate of Ivory, turning upon its hinges, and hold that he alone who has passed the rose-strewn threshold can catch the far glimmer of the Gate of Horn.
比起理论来,我更喜欢象牙之门的声音,喜欢聆听铰链的转动,并相信,倘若一个人能越过撒满玫瑰的门槛,他便能望见远方牛角之门的微光。
The seat rows only backscatter frequencies above a certain threshold, though, so they act, in effect, as a sound filter.
每排座椅只反射高于一定频率的声音,因此实际上它们充当的是声音过滤器。
Moreover, this old threshold is not ushered in its old master, it is probably to hear the feelings of visitors and the camera's shutter beating the "click" sound.
又何况,这老门槛迎来的并不是它旧日的主人,它听到的大抵是游人的感慨和照相机的快门跳动的“咔嚓”声。
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