u
pon
1
在...上, 在...之后
used as a preposition to indicate a basis or condition on which something is done or decided
- The promotion was granted upon meeting the required qualifications.
晋升是在满足所需资格后授予的。
- The scholarship was awarded upon academic achievement and extracurricular involvement.
奖学金是根据学术成就和课外活动参与 情况 颁发的。
- The decision was made upon careful consideration of all the available options.
在仔细考虑了所有可用选项之后做出了决定。
2
在...上, 当...接近时
at the point when something is very close to starting, arriving, or happening, often suddenly or with strong effect
- A feeling of fear was upon her.
一种恐惧的感觉笼罩着她。
- A new season is upon the land.
一个新的季节降临在这片土地上。
- A crisis was upon the city before anyone realized it.
在任何人意识到之前，一场危机已经降临到这座城市。
- Winter is almost upon us now.
冬天几乎降临到我们身上了。
- The storm was upon them before they could find shelter.
暴风雨降临在他们身上，他们还来不及找到避难所。
3
在...上, 对...
used to indicate the target or object of an action or influence
- The decision had a significant impact upon the community.
这个决定对社区产生了重大影响。
- The researchers focused their efforts upon the endangered species.
研究人员将他们的努力集中在濒危物种上。
- The storm had a devastating effect upon the coastal towns.
风暴对沿海城镇造成了毁灭性的影响。
- His comments cast doubt upon the results of the experiment.
他的评论对实验结果提出了质疑。
- The plan will have an impact upon the environment.
该计划将对环境产生影响。