By planting a belt of trees at the side of the road, you can make things a little quieter, but much of the vehicle noise still goes through the trees.
通过在路两旁种植树带能使马路安静些，但是大部分的噪音还是会穿树而过。
Vehicle noise
原声例句
剑桥雅思听力全真试题 4
英语百科
Roadway noise
（重定向自Vehicle noise）
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Roadway noise is the collective sound energy emanating from motor vehicles. It consists chiefly of road surface, tire, engine/transmission, aerodynamic, and braking elements. In developed and developing countries, roadway noise contributes a proportionately large share of the total societal noise pollution. In the U.S., it contributes more to environmental noise exposure than any other noise source.
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