unserviceable
adj
(abbrs 缩写 US, u/s) (fml or joc 文或谑) that cannot be used because worn out, broken, etc (因破旧、 损坏等)不能使用的
an unserviceable bicycle, telephone, tin-opener, etc 已不能用的自行车、 电话机、 开罐器等.
🗣️ 情景例句
I have to run.
我得赶紧走了。
This alone made our nine-day trip worthwhile.
光这件事我们9天的旅行就非常值得。
It is impossible to look for life on another planet using earth-based telescopes.