Usefulness
[ ['ju:sfulnis] ]
第5级
其它 Other
n. 有用, 有益\\n[经] 有用, 有用性
✅ 同义词
🔴 反义词
📖 牛津释义
usefulness
n[U]: The old car has outlived its usefulness, ie is no longer useful or worth keeping. 这辆旧汽车已经不能用了.
🗣️ 情景例句
That's load off my mind.
这一来我心里轻松了。
That radio's pretty loud. Could you turn it down, please?
收音机太响了，你能把声音开小一点吗？
He's going to school.
上学。