您要查找的是不是：
- George's the best person to fill this vacancy. 乔治是填补这一空缺的最佳人选。
- There are three candidates for the vacancy. 这一空缺有三名候选人。
- There is a vacancy on the tenth floor. 第十层楼上有一个空房间。
- The vacancy has already been filled. 那空缺已有人补上了。
- We have a vacancy for a computer programmer. 我们有一个电脑程式设计师缺额。
- Scientists have studied the migration of fish over long distances. 科学家研究过鱼类远距离回游的现象。
- It is possible to transmute one form of energy into another. 把某种形态的能量改变成另一形态的能量是可能的。
- Young people usually have more energy than the old. 青年人通常比老年人精力充沛。
- The industry felt the effects of the energy crisis. 该工业受到能源危机的影响。
- vacancy migration 空位移动
- I rallied all my energy for further effort. 我振作精神以做再次的努力。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- It is important to conserve energy. 节省能源十分重要。
- Nuclear energy remains a double-headed creature. 核能依然是一种有利也有弊的能原。
- As a matter of fact, light is a form of energy. 其实，光是能的一种形式。
- There has been a migration of people from the country to the towns. 人们从乡下移居城镇。
- The move water have mechanical energy. 流动的水拥有机械能。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- This will help to fill a vacancy in our knowledge. 这有助于弥补我们知识上的空白。
