The report is of potential usefulness to the government.
这个报告可能对政府有用。
The index adds appreciably to the usefulness of the book.
索引明显地增加了这本书的实用价值。
The theory is of limited usefulness.
这个理论用途有限。
the importance of a discovery as relative to its usefulness;
发现的重要性取决于用途；
Badly written questions limit the usefulness of questionnaires.
问题设计得不好，调查问卷的用途就会打折扣。
the organization had largely outlived its usefulness .
该组织在很大程度上已失去作用。
I was persuaded of the usefulness of his new device.
我相信了他的新装置的实用性。
Not only it can decide solely the lamp usefulness, but also available in mends light, sidelight, top light and the use of foot light.
它既可作主光灯用，也可作为补光、侧光、顶光、和脚光的使用。
The present study is the first to report on the usefulness of puromycin for production of enhanced green fluorescent protein (EGFP) transgenic piglets after somatic cell cloning and embryo transfer.
本研究是第一次报道在体细胞克隆和胚胎移植后成功应用嘌呤霉素标记获得了转强化型绿色荧光蛋白（EGFP）基因的小猪。
I fear the senator has outlived his usefulness.
恐怕这位参议员已经老而无用了。
来源: Person of Interest Season 5But guano might not have outlived its usefulness just yet.
但鸟粪并没有因此失去利用价值。
来源: Scishow Selected SeriesMany felt the nuisance of the machines outweighed their usefulness. BBC news.
很多人认为滑板车产生的干扰大过它们的用处。BBC新闻。
来源: BBC Listening Collection September 2023We should, therefore, never overtrust the eye and underestimate the usefulness of the ear.
耳朵的活动范围虽然小，可是它的作用也不只是听听讲话，听听音乐。
来源: Selected Modern Chinese Essays 1As an institution, I think it's outlasted its usefulness by quite a large...margin.
作为一种制度，我觉得婚姻的必要性十分有限。
来源: Sherlock Holmes: The Basic Deduction Method Season 2Embracing change also applies to uselessness and usefulness.
拥抱变化也适用于无用性和有用性。
来源: The wisdom of Laozi's life.His usefulness might not last forever.
他的利用价值不会永远持续下去。
来源: CNN Listening Compilation August 2013The question of GDP and its usefulness has annoyed policymakers for over half a century.
国内生产总值的问题及其作用已经困扰决策者半个多世纪了。
来源: Past years' graduate entrance exam English reading true questions.Now I'm afraid your usefulness has come to an end.
你别想再骗我们了。
来源: Villains' Tea PartyBut despite their usefulness, predator-foiling eyespots don't occur naturally in mammals.
尽管眼斑很有用，但阻止捕食者的眼斑并不会在哺乳动物身上自然出现。
来源: Science 60 Seconds - Scientific American August 2021 CollectionThe report is of potential usefulness to the government.
这个报告可能对政府有用。
The index adds appreciably to the usefulness of the book.
索引明显地增加了这本书的实用价值。
The theory is of limited usefulness.
这个理论用途有限。
the importance of a discovery as relative to its usefulness;
发现的重要性取决于用途；
Badly written questions limit the usefulness of questionnaires.
问题设计得不好，调查问卷的用途就会打折扣。
the organization had largely outlived its usefulness .
该组织在很大程度上已失去作用。
I was persuaded of the usefulness of his new device.
我相信了他的新装置的实用性。
Not only it can decide solely the lamp usefulness, but also available in mends light, sidelight, top light and the use of foot light.
它既可作主光灯用，也可作为补光、侧光、顶光、和脚光的使用。
The present study is the first to report on the usefulness of puromycin for production of enhanced green fluorescent protein (EGFP) transgenic piglets after somatic cell cloning and embryo transfer.
本研究是第一次报道在体细胞克隆和胚胎移植后成功应用嘌呤霉素标记获得了转强化型绿色荧光蛋白（EGFP）基因的小猪。
I fear the senator has outlived his usefulness.
恐怕这位参议员已经老而无用了。
来源: Person of Interest Season 5But guano might not have outlived its usefulness just yet.
但鸟粪并没有因此失去利用价值。
来源: Scishow Selected SeriesMany felt the nuisance of the machines outweighed their usefulness. BBC news.
很多人认为滑板车产生的干扰大过它们的用处。BBC新闻。
来源: BBC Listening Collection September 2023We should, therefore, never overtrust the eye and underestimate the usefulness of the ear.
耳朵的活动范围虽然小，可是它的作用也不只是听听讲话，听听音乐。
来源: Selected Modern Chinese Essays 1As an institution, I think it's outlasted its usefulness by quite a large...margin.
作为一种制度，我觉得婚姻的必要性十分有限。
来源: Sherlock Holmes: The Basic Deduction Method Season 2Embracing change also applies to uselessness and usefulness.
拥抱变化也适用于无用性和有用性。
来源: The wisdom of Laozi's life.His usefulness might not last forever.
他的利用价值不会永远持续下去。
来源: CNN Listening Compilation August 2013The question of GDP and its usefulness has annoyed policymakers for over half a century.
国内生产总值的问题及其作用已经困扰决策者半个多世纪了。
来源: Past years' graduate entrance exam English reading true questions.Now I'm afraid your usefulness has come to an end.
你别想再骗我们了。
来源: Villains' Tea PartyBut despite their usefulness, predator-foiling eyespots don't occur naturally in mammals.
尽管眼斑很有用，但阻止捕食者的眼斑并不会在哺乳动物身上自然出现。
来源: Science 60 Seconds - Scientific American August 2021 Collection探索常用高频词汇