如何使用 "cog" 造句

1. Begin with europe , the weakest cog in the global engine .
先说欧洲--全球经济引擎中最薄弱的那个齿轮。
2. The wheel engages with the cog and turns it .
轮子咬住轮齿并带动它转动。
3. Every subject is a british civil servant , a cog in the vast governmental bureaucracy .
每个研究对象都是英国的公务员,巨大政府机器的一颗螺丝钉。
4. Although john thinks he has an important job , he is really only a cog .
尽管约翰认为他身负重任,但他实在只是一名小卒。
5. The red metal is a crucial cog in the global economy as its use in electronics and construction means it is found in almost every appliance and building .
铜在电子和建筑行业用途广泛,几乎在每台电器和每座建筑中都不可或缺,这种红色金属是全球经济中的重要一环。