畅通无阻的英文：
1.unimpeded; unobstructed

The new road system permits the free flow of traffic at all times.
新的道路系统使车辆在任何时候都畅通无阻。

The road was clear, and we got to the destination before long.
道路畅通无阻,我们很快到达了目的地。

International Roaming is your digital mobile phone's passport to travel but the cost of calls is high.
国际漫游服务可使数字手机在全球畅通无阻，但话费却很高。

Of course, some company names have traveled quite well. Kodak may be the most famous example.
当然，有些公司的名称倒是畅通无阻的。Kodak可以说是一个最著名的例子。

A range of electromagnetic frequencies that pass unobstructed through a planetary atmosphere.
电波反射装置电磁波段能够不受阻碍地穿过行星大气层的一种电磁频率范围

The motorist enjoys an unobstructed view of the natural scenery as he drives across the bridge
汽车驾驶员在开车过桥时，可以一览无余地观赏自然风光。