| 1. | You can figure on losing about a fifth of your force in counter offensives .
反击战的兵力消耗须以不超过五分之一为度。 |
| 2. | Plastic foams are perhaps only 1/5 as effective as a good dewar from a heat transfer standpoint .
从热传输的观点来看，塑料泡沫的效率只及好的杜瓦瓶的五分之一。 |
| 3. | Oxygen precipitates (useful for gettering) can reduce the yield strength (critical shear stress) up to fivefole .
氧沉淀（可用作吸杂）会使屈服强度（临界剪应力）降低为五分之一。 |
| 4. | Nourishes one fifth of the world population
的国家养活着五分之一的人类。 |
| 5. | One fifth of the students in this department are girls
这个系里五分之一的学生是女生。 |
| 6. | Looking fantastic . this is one ofthe top five cardio -
很奇妙?我们才发挥五分之一的功力- |
| 7. | China accounts for one fifth of worldwide demand
中国对铜的需求占世界需求量的五分之一。 |
| 8. | Your liver is no better than a fifth of a normal one ,
你的肝脏连正常功能的五分之一都没有 |
| 9. | One fifth of a gallon or four fifths of a quart of liquor
五分之一加仑或一夸脱酒的五分之四 |
| 10. | Three years ago , it was one in five
而三年前，这个比例是五分之一。 |
