在《PONS词典》中的词汇
son·ic ˈbar·ri·er 名词
在《PONS词典》中的词汇
在《PONS词典》中的词汇
bar·ri·er [ˈbæriəʳ, 美 ˈberiɚ] 名词
1. barrier:
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单语范例（未经PONS编辑处理）
He believed that the barriers created by the society precluded love and mutual understanding from human relationships.
en.wikipedia.org Polyurethane coatings are useful because of their barrier properties.
en.wikipedia.org The glia limitans is also acts as a second line of defense against anything that passes the blood brain barrier.
en.wikipedia.org This group is cited one of the first to subvert the macho barrier of meringue.
en.wikipedia.org It is possible that a barrier to gene flow from south to north exists while a barrier to the reverse does not.
en.wikipedia.org 互联网提供的例句（未经PONS编辑处理）
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eipcp.net Once again there is one thing shown to migrants, using language as the sonic barrier:
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Durch die Sprache als Schallmauer wird den Migrant_innen einmal mehr gezeigt:
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www.scale-bikes.de 71 jaunty HP with a weight of roughly 463 lbs easily powered the 750 H2 and its dauntless rider to the 200 sonic barrier and even beyond it.
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Einundsiebzig muntere Pferdestärken bei rund 210 kg Gewicht trieben die 750er H2 mit einem beherzten Fahrer locker bis zur 200er Schallmauer und auch darüber.
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www.hausdernatur.at If a sound source moves at the speed of sound, the sound waves become compressed, in the direction of movement, to form the so-called sonic barrier:
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Bewegt sich eine Schallquelle genau mit Schallgeschwindigkeit, so verdichten sich die Schallwellen in Bewegungsrichtung zur Schallmauer: