不可或缺

Geodetic work is the essential foundation for nation-building work, the work is unknown.

大地测量工作是国家建设不可或缺的基础性工作，也是默默无闻的工作。

A show about the Wild West wouldn't be complete without some Indians, and you can bet that Buffalo Bill had some very talented ones. Native American Sioux Indian dancers in full war paint and war costumes performed the Sioux Ghost Dance that you can see here. This is the very first time that American Indians appeared before a motion picture camera. What's the one other thing that Buffalo Bill had to have in his show?

关于蛮荒西部的表演中，若是没有印地安人，就不能算是一场完整的西部秀，而野牛比尔拥有一些才华洋溢的印地安演员；影片中身穿战服、漆有战彩的苏族印地安舞者正在表演苏族的灵魂之舞，这是美国印地安人的首次登场表演，远远早于电影之前；还有什么不可或缺的项目会出现在野牛比尔的演出中呢？

It is known to people across the globe that trees are essential to us.

全世界都知道树木对我们是不可或缺的。

Fourthly, glutathione is required in many of the intricate steps needed to carry out an immune response.

第四，谷胱甘肽在身体执行免疫反应的许多复杂程序里是不可或缺的。

Muscle glycogenolysis is essential to the human physiological functions and its biochemical reactions of metabolic pathways are sensitive.

例如肌肉之醣原分解是人体生理机能中不可或缺的一环，并且其代谢路径的生化反应相当敏感。

To students of Gnosticism this work is as indispensable as that of St. Irenus.

为了学生的诺斯替主义这项工作是不可或缺的圣依。

Accessories intersperse your home life, it exists everywhere. Accessories not only accessorize the room ambience, but also present the habitude of the host. We provide you the accessories with elaborate design and combination, only for your private space.

饰品丰富着您的居室生活，每一处存在都是家居生活中不可或缺的元素，饰品既能装饰居室的气氛又能体现主人的气质，我们为您精心搭配设计的饰品，专属您的"私享"空间

For the past year and a half it's been the passion of my life.

在过去的一年中它是我生活中不可或缺的东西。

In Hallam Foe , the city of Edinburgh attains even greater significance but in a similar manner of creating peculiar spatiality.

偷窥者哈蓝》中的爱丁堡更成为不可或缺的角色，同样为电影带来特异的空间感。

Moreover, he thought that legislation should be enacted to gradually implement the rights enshrined in China's constitution, including media freedom–the handmaiden of the rule of law.

另外，他认为立法应该逐渐实施中国宪法所保障的权利，其中包括法治社会所不可或缺的媒体自由。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。