upon
01
在...上, 在...之后
used as a preposition to indicate a basis or condition on which something is done or decided
Dialect
British
British语法信息
例子
The promotion was granted upon meeting the required qualifications.
晋升是在满足所需资格后授予的。
02
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
例子
A feeling of fear was upon her.
一种恐惧的感觉笼罩着她。
03
在...上, 对...
used to indicate the target or object of an action or influence
例子
The decision had a significant impact upon the community.
这个决定对社区产生了重大影响。
