| 1. | If the frequencies are low, this approach cannot be used .
若频率很低时，这种方法就不能使用。 |
| 2. | If the antibody reacted, the blood was tainted and should be discarded .
如抗体发生反应，则说明血液已被感染，便不能使用。 |
| 3. | With several of their planes temporarily out of commission , the airline is losing money .
航空公司因有几架飞机暂时不能使用而正在赔钱。 |
| 4. | Class is abstract , you cannot create an instance of an
类为抽象类，所以不能使用 |
| 5. | Without the key , use of the machine is impossible
若没有钥匙就不能使用复印机。 |
| 6. | Students were also cited for cell phone use
另外，学生在课堂上也不能使用手机。 |
| 7. | This option is not available for in - place compilation
就地编译不能使用此选项。 |
| 8. | Together . you cannot use precompiled headers with the
选项时，不能使用预编译头。 |
| 9. | And he won ' t use a toothbrush more than five days
他的一把牙刷不能使用超过5天 |
| 10. | It is not currently available , but will be shortly
目前还不能使用，但很快会的。 |
