Usefulness
[ ['ju:sfulnis] ]
第5级
其它 Other
n. 有用, 有益\\n[经] 有用, 有用性
📖 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
I hope you don't mind
希望你不介意
I don't allow my children to play with toy guns.
我不让自己的孩子玩玩具枪。
Yes, here you go.
喏,就是这个。
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