As a group, we know virtually nothing about UFO.

The toothpastewith fluoride to strengthen tooth enamel and prevent the build up of plaque.

另含氟配方能增强牙齿珐琅质,帮助预防蛀牙及牙肉溃烂.

In addition, some examples of dose reconstruction ESR using tooth enamel are given.

另外, 还介绍了此技术在剂量重建中的一些应用实例.

Depending on the requirement of the top layer, backing papers vary very much in nature.

视乎面层的要求, 托底纸有各种极端不同的性质.

The earth is composed of several layers. The top layer earth is called the earth's crust.

地球由好几层构成, 最上面的一层叫地壳.

Because Top layer metals are usually thicker and wider and so has low resistance.

因为最上层金属通常更厚、更宽,因而电阻较小.

Apply these settings on the top layer.

应用这些设置顶层.

Granite with manganese. Porous top layer provides good drainage.

含锰的花岗岩土层,表层多孔使排水性良好.

They stand top layer of the butter scream cake.

他们站在奶油蛋糕上面.

He cleared away the top layer but underneath some still stuck to the ground.

上层的扫去,贴地的还留下一些雪粒,好像已抓住了地皮.

Two men were sent up the mountain while the main party of climbers remained at base camp.

两个人被派上山,而大部分登山队员留在大本营.

After reached the top of the mountain, they returned to their base camp.

到达山顶后, 他们便返回了基地营.

The base camp for exploring Qomolangma , the world's peak , attracts visitors from all over the world.

珠峰登山大本营, 聚集了来自世界各地的登山爱好者.

Having lost contact with the base camp for days , the mountaineers were in despair.

对这种无理的要求我们决不应该答应.

They set out on their return to the base camp.

他们开始返回营地.

On May 4, they arrived safely back at the base camp.

5月4日他们安全返回营地.

It took rest of the party five hard days to reach the base camp.

余下队员花了五天时间才艰难抵达大本营.

A media group is scheduled to accompany the flame as far as the base camp.

根据安排,一个媒体采访团也将随火种一同前往珠峰大本营.

All climbers are now safely back at base camp.

所有登山队员现在都安全回到了大本营.

The Olympic Torch is not being taken anywhere near the Nepalese base camp.

奥林匹克火炬任何地方没有在尼泊尔基本阵营附近被采取.

Every 100 kilometers there will be a base camp you can have a rest at.

每100公里就会有一个大本营,你可以在那里休息.