形容词
中文翻译:Unknown
同义词:
['unfit', 'unsuitable', 'ineffective', 'unserviceable', 'non-functional']
例句:
-
1. The new machine is unusable because it has a malfunctioning part.
这台新机器不能用了,因为它的一个部件出了故障。
-
2. The old car is unusable now that the engine has been replaced.
那辆旧车现在不能用了,因为发动机已经被更换了。
-
3.The tool is unusable because it's broken.
这个工具不能用了,因为它坏了。