大学英语词汇短语释义解析及例句 natural barrier
释义：
natural barrier 天然屏障；天然堤
例句：
The Yangtze river is a natural barrier to the north-east.
长江是东北方向的一道天然屏障。
A severe storm destroyed a natural barrier between the house and the lake.
一场猛烈的暴风雨摧毁了房屋和湖泊之间的天然屏障。
The inactive sialic sand-slate is a natural barrier.
活动性差的硅铝质砂板岩形成岩体的天然屏障；
The Yangtze River is a natural barrier to the northeast.
长江是东北面的一道天然屏障。
The river is a natural barrier between the two countries.
这条河是这两个国家之间的天然屏障。
But the canal overcame the natural barrier of those mountains.
但是，伊利运河克服了这些山脉所设置的天然屏障。
The mountain forms a natural barrier between the two countries.
这座山构成了两国之间的天然屏障。
The skin loses its natural barrier to protect against sunlight.
皮肤失去了防护阳光的自然屏障。
The Sahara Desert is a natural barrier between North and Central Africa.
撒哈拉沙漠是北非与中非之间的天然屏障。
Wujiang River is a military river that has always been known as a natural barrier.
乌江是一条军事河流，历来被称作天险。
The skin loses its natural barrier to protect against sunlight. Then the skin can become thick and discolored.
皮肤失去了保护皮肤抵御阳光的天然屏障。
But conservation efforts in this unique eco-system - which serves as a natural barrier to future cyclones - are inadequate.
但是对这里唯一的生态系统——那些阻挡未来风暴的天然屏障——的保护措施却收效甚微。
The selection of reliable natural barrier depends mainly on the work related to geology, hydrogeology and geochemistry.
如何选择可靠的天然屏障，主要靠地质、水文地质、地球化学等工作来完成。
With that 5, 000-metre natural barrier behind us, we were steering steeply down towards Sost, Pakistan's most northerly town.
背后是海拔5000米的自然屏障，我们沿着陡峭的山路下坡前往Sost，这是巴基斯坦最北端的市镇。
Maintaining the existing lines of trees, we create through this landscape a natural barrier against heat from the east and west.
维护现有的线性树木，我们希望通过这个自然景观屏障来隔绝东边和西边的热量。
The reservoir sandstone is mainly composed of subsea distributary channel, where subsea distributary channel flank and subsea natural barrier are next.
储集砂岩以水下分流河道为主，水下分流河道侧翼和水下天然堤次之。
Once upon a time, the State of Chu planned to attack the State of Song. But the Yong River was the natural barrier against its surprise attack at night.
古时候，有一次，楚国准备进攻宋国，而澭河水楚国夜间偷袭宋国的天然障碍。
It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.
它的作用就像一个防御空气变应原的天然屏障，在鼻道里形成一层无色的、粘液样的、凝胶层，其作用就像一个灰尘和细菌的过滤器。
The vesicles or blebs of second-degree burns should not be opened but should be protected from injury, since they form a natural barrier against contamination by microorganisms.
二度烧伤的水疱或大疱是防止微生物污染的自然屏障，应注意保护以防损伤破裂。
Five microfacies of subsea distributary channel, its flank, subsea natural barrier, subsea interdistributary bay and coastal or neritic shale are developed in Block Wen 65 of Wenliu Oilfield.
文留油田文65块发育水下分流河道、水下分流河道侧翼、水下天然堤、水下分流间湾、滨浅湖泥5种微相。
