1. He is strong of will. 他的意志堅強。

2. With the introduction of the new method, the products decreased in cost.

引進了新方法，產(chǎn)品的成本降低了。

3. When water freezes, it becomes larger in volume instead of smaller.

水結(jié)冰后，體積變大而非變小。

4. The trust is lacking in the relationship. 愛情中缺失信任。

5. Friciton can be reduced and the life of the machine prolonged by lubrication.

潤滑能減少摩擦，延長機器壽命