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
Please don't do it without asking.
未经允许请不要那么做。
Who is going to lose?
谁会输？
There are some magazines on the television.
电视机上放着几本杂志。