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
Do you ever lie to your boyfriend?
你骗过你男朋友吗？
She feared the arrival of the bill-collector.
她害怕收帐人来。
I do not doubt that it would be possible to inject ideas into the modern world that would utterly destroy us.
向现代世界灌输一种思想以便摧毁我们人类是可能的事，对此我并不怀疑。