您要查找的是不是：
- Ligatures.In a very few cases they are essential. 只有极少数的场合才需要用到连字。
- They are essential equipments in Steel, boiler and car industries. 是钢管、锅炉、汽车等行业下料的必备设备.
- Editors, they are essential tools for the creation of a user's files. 编辑程序--它们是建立用户文件的基本工具。
- Unless they are essential to the story, trade names of narcotics or poisons should be avoided. 除非不可缺少,应避免在报道中提到致幻剂和毒品的名称。
- They are essential for trimming various of book and pamphlet. Their edge made of alloy stell or High-alloy stell. 是印刷业开切书籍、簿册必备刀具，材质有合金钢和高速合金工具钢。
- There is only a formal resemblance between the two systems; but in fact they are essential different. 这两种体系只是在表面上有某种相似之处;其实根本不同.
- They were essential to the economic prosperity of the country. 他们对这个国家的经济繁荣至关重要。
- N-heterocycle compounds are important organic compounds, they are essential building blocks of alkaloid framework. 含氮杂环化合物是有机化合物中的一类重要物质,它是构成生物碱的基础骨架。
- It may take years to learn to apply them but they are essential to boost your relationships. 可能要花上几年才能应用，但是它们对推进你的人际关系是非常重要的。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- They are united in the water prototype through the medium of “Chaos” because they are essentially a triunity. 三者在本质上是三位一体的关系，通过“混沌”这一中介统一于水原型。
- They are commodities: regardless of the brand emblazoned on the plastic shell, the innards are essentially the same. 它们只是一种商品，虽然在塑料外壳上印着各式的商标，但机箱内的部件基本都是相同的。
- The gifts are essentially bribes or kickbacks, and they are prohibited under Chinese law. 礼物本质上是贿款或佣金，并且他们根据中国法律被禁止。
- They are trying to shovel a path. 他们在试图铲出一条小路来。
- People get rude and whiny when they are exhausted. 人们在精疲力竭的时候会变得粗野，爱发牢骚。
- They are going to move to a new house next week. 下星期他们将迁入新居。
- They are hoping for a small diminution in taxes. 他们希望税捐略微减少。
- They are the most dependable of all. 他们是最为可靠的。
- Now they are ready for the steeple chase. 现在他们已准备好进行障碍赛跑。
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
