英语释义

1. to keep from happening or existing
steps to prevent war

2. to hold or keep back hinder, stop —often used with from

3. to deprive of power or hope of acting or succeeding

4. to be in readiness for (something, such as an occasion)

5. to meet or satisfy in advance

6. to act ahead of

7. to go or arrive before

8. to interpose an obstacle

9. to stop (something) from happening or existing

10. to make (someone or something) not do something to stop (someone or something) from doing something

11. to keep from happening
Helmets help to prevent injuries.

12. to hold or keep back
Bad weather prevented us from leaving.

片语

backflow preventer回流防止器；防止回流设施

preventer pin安全销

preventer fork掣止叉

preventer stack防喷器组

suckling preventer防吮乳装置

foam preventer防泡剂

Lighting preventer避雷针

backfire preventer回火防止器

working preventer[油气]

preventer stay稳索

blowout preventer[油气] 防喷器；消火花预防装置

英汉例句

• some oil is now flowing from where the riser and the blowout preventer meet; most is coming from the broken end of the riser, which has ended up about 300 metres away on the sea floor.

  现在有些石油从取油管和防喷阀的连接处流出来，大部分则从立管破裂的一端流出，这些石油已经漂移到离海床300海里的地方了。

• if both barrels fail there is the possibility of putting a new blowout preventer on top of the old one.

  如果这些炮弹都失败了，有可能在旧的防喷阀上安置一个新的。

• once the leaks have been stopped, mr wells hopes to get the failed blowout preventer to the surface so that it is at last possible to see what really went wrong.

  一旦泄漏被止住，维尔斯先生希望把报销的井喷防护器给吊上水面，这样才可能弄清楚到底是哪里出了问题。

• following the explosion and fire on the rig, the blow-out preventer on the sea bed should have automatically sealed the well, but it failed, resulting in the massive oil spill.

  在油井发生爆炸以及油井起火后，海底上的防喷器本来应该自动将油井封住，但是未能做到这一点，导致大规模的石油泄漏。

• one possible lesson of the disaster is the importance of improving blowout preventers — the devices atop wells that cut off gushing oil in emergencies. the preventer on the runaway well failed.

  这一事故所产生的教训之一可能是改善防止喷出装置的重视，这一装置可以在石油泄漏时紧急切断管路。

• originally the preventer was linked to the deepwater horizon by a mile long vertical pipe called a riser, through which oil would flow.

  最初，防喷器与深水地平线平台由一根一英里长的垂直管相连，这根管子叫做立管，石油既由此通过。

• mr wells says that once the control pod has been reinstalled on the blowout preventer and the manifold is attached to the q4000, the top kill could start.

  威尔士先生称，一旦控制板已经重新被安装在防喷阀上，管汇连接在q4000后，就要实施灭顶法了。

• if the rate is at the low end of the range and was lower still before a key pipe on top of the blowout preventer was cut to accommodate the top hat, about half as much oil has been spilled so far.

  假如现在这个比率是最低的、并且放在防喷器上方的关键性管道适应了高帽之前、仍然保持低比率，那时候泄漏的油约相当于现在已经漏掉量的一半。

• the new sealing cap - similar to a smaller version of the damaged blow-out preventer - has three devices that are designed to shut the flow.

  新的密封帽类似一个较小版本的损坏井喷防护装置，有三个旨在关闭流量的装置。

• the blowout preventer was made by cameron international, a specialist engineer.

  而防喷装置是卡梅伦国际（一家专业工程公司）承建。

• a variety of schemes to either block up or seal off the blowout preventer are in development.

  多种封闭或密封防喷装置的方案也在构思之中。

• the preventer on the runaway well failed. even before the disaster, the operators of many gulf rigs had switched to more advanced preventers, strengthening this last line of defense.

  在石油管路破裂时切断管路，甚至在事故发生前操作者可以采用多个隔离部件来切断产生更多阻力，加强最后一道防线。

• when the rig sank, the riser broke near the top while remaining attached to the blowout preventer at the bottom, bending itself like a pretzel in its subsequent collapse.

  当鉆井下沉时，海底立管在顶部附近破裂，另一端还连在防喷阀上。在随后的倒塌中，它像脆饼一样弯曲。

• more answers may be forthcoming now the blowout preventer has been raised from the sea floor; currently in the custody of the department of justice, it may be a forensic treasure.

  随着防喷器从海底打捞起来，越来越多的问题即将得到答案；目前，该装置被司法部扣押，其可能成为诉讼证据。

相似词

avert避免，防止；转移

forestall先发制人，预先阻止；垄断，屯积；领先；占先一步

head off阻止；转移方向

help帮助；有用；招待

obviate排除；避免；消除

preclude排除；妨碍；阻止

stave off避开；延缓