necessary的意思是:adj.必要的;必然的;n.必需品。
necessary的意思是:adj.必要的;必然的;n.必需品。necessary名词复数:necessaries。necessary的读音是英['nesəsəri];美['nesəseri]。
一、详尽释义点此查看necessary的详细内容
adj.(形容词)- 必要的,必须的,必需的,不可缺少的,有必要,需要
- 必然的,无法避免的,不可避免的,必定的,不得已的,事出无奈
- 强迫的
- 应该
- 一定
n.(名词)- (生活)必需品,必要的物品
- 厕所
- 钱,收入,必需的金钱(与the连用)
二、双解释义
adj.(形容词)- 必要的,必需的 essential for a purpose; that cannot be done without or avoided
- 必然的,不可避免的 that must be; inevitable
三、网络解释
1. 必需的:注:*有限应用(limited applicability),**适宜的(suitable),***有重要价值(important),****必需的(necessary)损伤等级(AIS) 为使肌体损伤程度达到量化,美国机动交通医学会(1990)制定了损伤分级标准,如表2所示.
2. 必须的:二、花费是常见的(ordinary)和必须的(necessary). 「常见的」定义是,其花费在行业内、商业上很平常,被业者广泛接受. 「必须的」的定义是该花费对生意很有帮助. 这里的关键因素是旅行的主要目的是商业,其中穿插几天游玩也可视为常见的.
3. 必需品:2、 商品满足需要的属性:奢侈品(luxury)的需求,对价格是有弹性的,而必需品(necessary)是缺乏弹性的.
四、例句
She will make necessary arrangements.
她会作好必要的准备。
If necessary, please warehouse the goods.
如有必要,请将该货存入仓库。
The necessary outcome of a war is a fall in production.
战争带来的必然结果就是生产力下降。
五、常见句型
用作形容词(adj.)
用作定语~+ n.- My money came short of the necessary sum.
我的钱不足所需的数目。 - Do you have the necessary skills for this job?
你具备做这项工作所必需的技能吗? - They joined the wires and made the necessary new connection.
他们把电线接了起来,接通了所需的新线路。 - I'll leave it to you make the necessary arrangements.
我将让你作出必要的安排。 - The lawyers will draw up all the necessary papers.
律师们将拟定出所有必要的文件。 - No one foresees how the necessary restriction of the population will be effected.
任何人都无法预知将如何实现对人口的必要限制。 - They will meet in Beijing to debate taking necessary actions against environmental pollution.
他们将在北京会晤并讨论采取必要措施防止环境污染。
用作表语S+be+~- A year's guarantee on the television set for all repairs might be necessary.
必须为电视机提供为期一年免费修理的保单。 - A climber must learn to discriminate as to when compass bearings are necessary and when they are not.
一个登山者必须学会辨别什么时候需要罗盘测定方位,什么时候不需要。 - Under certain conditions, answering back sarcastically is necessary.
在某种情况下,反唇相讥是必要的。
S+be+~+ prep .-phrase- Patience and understanding are necessary for a teacher of infants.
耐心和理解是幼儿教师必不可少的。 - What is necessary for one person is not always necessary for another.
对某人来说是必需的东西,对别人则未必如此。 - These reference books are necessary to scientists.
这些参考书是科学工作者所必需的。 - Sleep is necessary to one's health.
睡眠对健康是必要的。
It is/was+~+(for sb) to- v- It was necessary to jump on the ice coated mounds of brush several times before they could flush.
你得在这些被冰覆盖的树丛上跳上好几下,才能把它们惊起。 - It's necessary to raise wages on the basis of increasing production.
需要在增加生产的基础上增加工资。 - Because the company was doing more business, it was necessary to expand the factory.
由于公司业务的扩大,扩大工厂是必然的。 - It was necessary to retire several generals who lacked energy and enterprise.
使几位缺乏精力和上进心的将军解职是必要的。 - It is sometimes necessary to indulge a sick child.
迁就一个生病的小孩有时是必要的。 - It is both important and necessary to note this difference.
注意到这个差别是重要的和必要的。 - Is it really necessary for me to attend the meeting?
我真的必须出席会议吗? - It's necessary for us to net the currant bushes.
我们有必要用网盖上红醋栗树。 - It is necessary for them to decide on which type of fuel is most suitable.
他们必须决定哪一种燃料最合适。
It is/was+~+that-clause- It is necessary that everyone be there in time.
大家都按时到达那里是必要的。 - It's necessary that young and old people should communicate more with each other.
年轻人和老年人有必要保持更多的联系。
用作宾语补足语S+V+O+~- We consider it necessary that the machine should be oiled regularly.
我们认为机器必须定期加油。 - This has made it necessary for agriculture and industry to develop very quickly.
这就使得工农业必须飞速发展。 - I felt it necessary to speak about our shortcomings.
我觉得有必要谈谈我们的缺点。 - Some students hold it necessary to be able to speak English.
有些学生认为能讲英语是非常必要的。
其他- The National People's Congress holds one session each year. When necessary, the session may be advanced or postponed.
全国人民代表大会每年召开一次会议,必要时,会期可以提前或推迟。 - If necessary, the heavy machinery can be brought into action.
若有必要,可以使用重型机械。 - If necessary,I'll go there again.
如有必要,我会再去那里的。
六、经典引文
七、词源解说
- ☆ 14世纪中期进入英语,直接源自古典拉丁语的necessarius;最初源自古典拉丁语的necesse,意为不可避免的,不可缺少的。
necessary的相关近义词
essential、important、needed、required
necessary的相关反义词
unnecessary
necessary的相关临近词
necessitate、necessarily、necessary to、necessary for、necessary lie、necessary work、necessary step、necessary evil、necessary tool、necessary time、necessary cause、necessary party
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