If you like, a squeeze of fresh lemon juice on the bananas will prevent them turning brown.
如果你愿意, 在香蕉上挤一点新鲜的柠檬汁可以防止香蕉变成褐色。
2018全国卷2
The fats in fish are thought to help prevent heart disease.
鱼中的脂肪被认为有助于预防心脏病。
2016全国卷3
基本词汇
v.预防；防止，阻止；挡住
形容词: preventable 名词: preventability 过去式: prevented 过去分词: prevented 现在分词: preventing 第三人称单数: prevents
详情解释
双解释义
英英释义
词典解释
网络解释
verb
1. stop (someone or something) from doing something or being in a certain state
e.g. We must prevent the cancer from spreading
His snoring kept me from falling asleep
Keep the child from eating the marbles
Synonym: keep
2. keep from happening or arising
make impossible
e.g. My sense of tact forbids an honest answer
Your role in the projects precludes your involvement in the competitive project
Synonym: forestallforecloseprecludeforbid
1. 防止；预防；阻止
To prevent something means to ensure that it does not happen.
e.g. These methods prevent pregnancy...
这些方法能防止怀孕。
e.g. Further treatment will prevent cancer from developing...
进一步的治疗将阻止癌症恶化。
2. 阻止；制止；阻碍
To prevent someone from doing something means to make it impossible for them to do it.
e.g. He said this would prevent companies from creating new jobs...
他说这将使公司无法创造新的工作机会。
e.g. Its nationals may be prevented from leaving the country...
其国民可能会被禁止出境。
1. 预防：犬病条例>修正案>>第一次修正 根据1997年10月17日四川省第八届人民代表大会常务委员会第二十九次会议<prevent)控制狂犬病条例>的决定>>第二次修正)第二条 预防(prevent)控制狂犬病,以预防(prevent)为主,
2. 防：要勤于清理,把所有的褶子都翻开,通风,晾干,预防(prevent)疾病发生. 1.京吧的脊椎结构特点导致它容易发生椎间盘(an intervertebral disk)脱出症,常见于公狗2岁半到4岁半,母狗3岁半到5岁半. 主要症状为:脖子发硬,头部不能自由活动,
3. 防范：西门子的合规项目包括三大支柱:防范(prevent)、监查(detect)和应对(respond). 防范主要通过对员工进行培训及持续的沟通和谘询实现;监查部分,西门子设置了四项流程:业务相关的控制管理、审计、投诉处理及报告责任;最後一个步骤应对,
常用短语
常用例句
词汇搭配
经典引文
My only idea was to prevent the woman from speaking.
我唯一的想法就是不让那女人讲话。
I am very sorry that a previous engagement prevents me from accepting your kind invitation.
很抱歉,因为我已另有约会不能接受你好意的邀请。
Let nothing prevent you from doing your duty.
不要让任何事情妨碍你尽你的职责。
This will prevent them from abusing their power and enjoying special privileges.
这就可以防止他们滥用权力,享受特权。
We should take measures to prevent the flood from threatening that area.
我们应该采取措施防止洪水威胁那地区。
Metals are usually coated with paint to prevent them from rusting.
通常在金属上涂漆以防止生锈。
What prevents rays from entering your eyes?
什么阻止光线进入你的眼睛?
His prompt action prevented the fire from spreading.
他的果断行动制止了火势的蔓延。
Who prevents their plans from being carried out?
谁会阻止他们实施自己的计划呢?
We must try to prevent our environment from being polluted.
我们应该防止环境受到污染。
I have been unavoidably prevented from coming.
我身不由己,不能前来。
I was prevented by illness from joining in the competition.
我因病未能参加竞赛。
Unless we get more funding we'll be prevented from finishing our experimental programme.
我们如果得不到更多的经费,将无法完成实验计划。
They were prevented from stealing the car by a smart policeman.
一名机警的警察使他们盗车未遂。
The fortunate soil assisted, and even prevented, the hand of cultivation.
出自：Gibbon词语用法
词义讲解
常见错误
词源解说
误 She prevented him from going, but he still went.
正 She tried to prevent him from going, but he still went.
析 prevent表示“阻止”成功,如果阻止未成功则应该说try to prevent。
谁也不能阻止这个计划的实现。误 No one can prevent the plan from carrying out.
正 No one can prevent the plan from being carried out.
析 在prevent...from...结构中,若介词from后的宾语有被动意义,则要用动名词的被动形式。
没有什么能阻止他独立作环球航行。误 Nothing could prevent him to sail round the world single-handed.
正 Nothing could prevent him from sailing round the world single-handed.
正 Nothing could prevent him sailing round the world single-handed.
正 Nothing could prevent his sailing round the world single-handed.
析 表示“阻止某人做某事”,可以说prevent sb from v -ing, prevent sb v -ing或prevent sb's v -ing,但不能说prevent sb to- v sth。
高考真题例句
考研真题例句
If you like, a squeeze of fresh lemon juice on the bananas will prevent them turning brown.
如果你愿意, 在香蕉上挤一点新鲜的柠檬汁可以防止香蕉变成褐色。
2018全国卷2
The fats in fish are thought to help prevent heart disease.
鱼中的脂肪被认为有助于预防心脏病。
2016全国卷3
This suggests the possibility that lifestyle factors might help prevent or delay this type of decline.
这表明一种可能性，即生活方式的因素可能有助于预防或者推迟这种类型的衰退。
2021英语一
Tech multinationals' monopoly should be prevented.
科技跨国公司的垄断应该被阻止。
2020英语一
But if Congress wanted to prevent states from using their own resources to check immigration status, it could.
然而，如果国会想要阻止各州通过自己的资源核实移民身份，它确实可以做到。
2013英语一