unusable是什么意思

实用例句

1. Bombing had made roads and railways unusable.

轰炸导致公路和铁路都无法通行。来自柯林斯例句

2. The point of degradation, due to attenuation or distortion, at which a signal becomes unusable.

由于衰减或失真使得信号变得不能使用的那个退化点.来自辞典例句

3. Mortality is the number or volume of trees periodically rendered unusable through natural causes.

枯损是一类由于自然原因而定期变得无用的林木株数或材积.来自辞典例句

4. To saturate with water and make soggy or unusable.

吸取过量用水浸透使湿润或不能用.来自互联网

5. It's unusable, so we would like to ask for an explanation.

所以我们特地想问清楚一下.来自互联网