Usefulness（['ju:sfulnis]）：n. - 完整释义与助记

✅ 同义词

helpfulness profitableness purposefulness service serviceability serviceableness stead subservience subserviency usability utility workability

incompetence ineffectiveness otiosity pointlessness unusefulness fruitlessness futility

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.

For heaven's sake stop whining.

我说你别再诉苦了。

Millions of thanks to you all, and don't forget to finish your dinner before it get cold.

十分感谢大家，大家快趁热吃吧。

The EU -- following fine continental traditions --

欧洲人遵循优良的大陆传统，

更多情景英语 ›

pollute vt. 污染;玷污，亵渎;破坏（品性），使堕落;

burgess n. (自治市的)市民, 自由民\\n[法] 自治市公民, 市民

dissension n. 意见不合, 纠纷, 争吵\\n[法] 异议, 纷争

broadly adv. 宽广地, 明白地, 无礼貌地

emancipation n. （从束缚、支配下）解放;

calmness n. 平静, 镇静, 冷静

disgraceful adj. 可耻的，丢脸的;不光彩的，不名誉的;丑;臭;

sullenly adv. 不高兴地, 绷着脸, 忧郁地

indefinite adj. 无限期的，无限期的;不明确的，模糊的;模糊的;[语]不定的;

playful adj. 闹着玩的;爱玩的;戏谑的;

Hungary n. 匈牙利

hunting n. 打猎;搜索，追寻;[电]（同步电动机的）速度偏差; v. 打猎(hunt的现在分词);

ultraprecise

unabridged dictionary

uncommitted [ˌʌnkə'mitid]

unearthliness

unidirectional circuit

UNIX network

unpresentable

untidy ʌn'taidi