Grenoble and Lyons are faithful cities, and will oppose to him an impassable barrier.

“格勒诺布尔和里昂都是效忠王室的城市，人民会起来反对他，使那儿变成一道插翅难飞的关卡。”

In 1819 he undertook a daring attack on New Granada, leading some 2,500 men over routes considered impassable . Taking the Spanish by surprise, he defeated them quickly.

1819年他带领两千五百人走过人们认为不可能通过的路线，大胆突袭新格拉那达。结果让西班牙人大感意外，而迅速击败了他们。

Snow and ice made the road impassable

冰雪使道路无法通行。

impassable roads;impassable problems.

不能通行的道路;不能克服的问题

The impassable gulf that lies between riches and poverty

存在富有与贫困之间的不可逾越的鸿沟

the impassable gulf that lies between riches and poverty(Elizabeth Cady Stanton)

存在富有与贫困之间的不可逾越的鸿沟(b伊丽莎白·卡迪·斯坦顿)

the impassable gulf that lies between riches and poverty(Elizabeth Cady Stanton)

存在富有与贫困之间的不可逾越的鸿沟(伊丽莎白·卡迪·斯坦顿)

When the road become impassable ,we have to ditch the car and walk.

道路无法通行时，我们只好弃车步行。

The driver couldn’t see either. Besides, the roads are nearly impassable .

刚才司机也看不清楚。而且这些路简直无法通行。

Potholes, unrepaired bridges, and other problems will make streets impassable to motor vehicles, so bicycles and animal-drawn vehicles will prevail.

坑凹不平的路面、失修的桥梁以及其他问题将使机动车无法在街道上行驶，因此将盛行自行车和畜力车。

You act as if everyone were dying like flies, like the streets are impassable with corpses and that I’m reluctant to bury them

你以为所有人象苍蝇一样死去，街道上堆满尸体不能通行，而我不愿意去埋他们。

The forest was almost impassable .

森林几乎不可逾越。

The tradesmen lifted their caps to Connie as to an acquaintance, and nodded awkwardly to Clifford; that was all. Gulf impassable , and a quiet sort of resentment on either side.

商人见了康妮举举帽子，和对一个任何熟人一样，对克利福相通的深渊，双方都抱着一种沉静的仇恨。

The soldiers moving through the area had to struggle against the bad weather, which could render the primitive roads impassable .

士兵们在穿越那一地带时,必须与恶劣气候抗争,因为恶劣气候可能使得那些原始的道路让人无法通行。

tunneling (barrier penetration):In physics, the passage of a particle through a seemingly impassable energy barrier. barrier penetration Though a particle’s energy may be too low to surmount a barrier in classical physics, the particle may still cross the barrier as a consequence of its quantum-mechanical wave properties.

隧道效应亦称势垒穿透,在物理学上指微粒穿过似乎不能通过的势垒。虽然在传统物理学上，微粒的能量可能不足通过势垒，但微粒可能作为其量子力学波的作用产物而穿过势垒。

The explorers were confronted with gorges(that were)almost impassable and rivers(that were)often unfordable

探险人员面临着几乎是无路可通的峡谷和常常是无法渡过的河流。

The explorers were confronted with gorges almost impassable

探险者遇到了几乎是不可逾越的峡谷。

Suddenly it was over.The quietness felt unnatural and an eerie,uneasy feeling gripped us.Opening the door,my mother stood transfixed as she gazed upon the awful scene.Debris lay everywhere.The street was impassable .

突然间，风停了，寂静得令人感到不自然。我们的心里充满恐惧和不安。打开门后，妈妈凝视着那可怕的景象，目瞪口呆。到处是瓦砾。街道已无法通行。

We cannot remove our respective sections from each other, nor build an impassable wall between them

我们不能把我们各区彼此搬迁，也不能在他们中间建起无法逾越的长城。

impassable swampds

无法通过的沼泽.

The snow has made the road impassable .

雪使道路无法通行。

The rainstorm has made the road impassable .

一场暴雨使道路无法通行。

Roads made impassable by fallen trees

因有倒伏的树木而不能通行的道路.

country roads impassable in winter

在冬季无法通行的乡村道路.

Country lanes that are often impassable in winter

在冬天经常不能通行的乡间小路

Gulf impassable , breach indescribable, such as is perhaps nonexistent south of the Trent. But in the Midlands and the industrial North gulf impassable, across which no communication could take place.

在特兰以南的地方，这种人与人之间的极端隔绝也许是不存在的。但是在中部和北部的工业区，他们间的隔绝是言语所难形容的。

roads that became impassable during the rainy season

（雨季期间变得不能通行的道路）；

Their normal route home, on the highway, was impassable .

按照他们正常回家的路线，在这高速公路上是无路可走的。

The North African coastal plains were rich in resources, but the Sahara to the south was an impassable barrier.

北非沿海平原资源丰富，但南部的撒哈拉沙漠构成了无法逾越的障碍。

The snow renders roads impassable even with four-wheel drive and tire chains and closes the high mountain passes that separate districts.

大雪纷飞，道路阻塞，即便是装了轮胎链的四轮汽车都难以行进，通往其他地区的山口也被关闭。