In addition to the uses shown below, upon is used in phrasal verbs such as ‘come upon’ and ‘look upon’, and after some other verbs such as ‘decide’ and ‘depend’.
除下列用法外,upon 还可用于 come upon,look upon 等短语动词中,并可接在 decide,depend等动词之后。
upon 基本解释
介词强调数目或数量大网络在…之上;在…上;在……上面