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
Well, that's what I do.
是啊 ，我正是这么做的。
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我们最好是问问妈妈价钱是否便宜！