precaucion什么意思

precaucion
n.1. 小心,警惕,谨防,预防
2. 预防措施

v.1. 使提防;预先警告
例句：
1、It was the first time that such a precaution had to be taken at a British nuclear power station.
这是有史以来第一次一个英国核电厂采取这样的预防措施。
2、Despite precaution,20 minutes after beginning to traverse the bottom, the huge sled smashed into the rocky sea floor.
尽管采取了一些预防措施，但是在横越海底20分钟以后，那个巨大的橇状装置还是撞进了多岩石的海底。
3、He took every precaution but still got a bad deal on that used car.
他处处小心但还是在旧车交易中受骗。
4、They were old,but still politically active, and it seemed to measensible precaution.
他们都老了，但在政治上仍很活跃，因此在我看来，这是明智的预防措施。