| 1. | The yanshan hills provide a natural defence for beijing .
燕山是北京的天然屏障。 |
| 2. | The river formed a natural blockade to the spread of the forest fire .
那条河成了阻止森林大火蔓延的天然屏障。 |
| 3. | Healthy, skin, mucous membranes, and cilia are natural barriers to many viruses .
健康的皮肤，粘膜和纤毛是许多病毒的天然屏障。 |
| 4. | Mangroves and coral reefs as natural protection to coastal area
红树林与珊瑚礁：海岸区天然屏障 |
| 5. | 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。 |
| 6. | Nor can we any longer fall back on our historical trump card of geographic isolation
我们也不再能依靠天然屏障的历史王牌。 |
| 7. | The thorns and height associated with these species will create natural protection from invading species
植物的刺和高度会成为你菜园的天然屏障。 |
| 8. | Jupiter island florida , an atlantic coast 2 ) barrier island , roughly 10 miles long , a quarter to a half mile wide
佛州朱庇特岛犹如大西洋上一道天然屏障，长约10英里，宽1 / 4至半英里。 |
| 9. | Located at the coastline of southern china with a deep sheltered harbour , hong kong is not only the pre - eminent maritime centre in asia but also a major international maritime centre in the world
香港位处华南海岸，水深港阔，又拥有天然屏障，所以香港不但是亚洲区卓越的航运中心，也是全球主要的国际航运中心。 |
| 10. | Located at the coastline of southern china with a deep sheltered harbour , hong kong is not only the pre - eminent maritime centre in asia but also a major international maritime centre in the world
香港位处华南海岸，水深港阔，又拥有天然屏障，所以香港不但是亚洲区卓越的航运中心，也是全球主要的国际航运中心。 |
