" I saw Jim riding his bike." Object complement.

“我看到吉姆在骑他的自行车。”对象补语。

So in this situation it's an object complement.

所以在这种情况下它是一个宾语补语。

However, if you're not comfortable with thinking of them as adjectives, maybe think of them as object complements.

但是，如果您不习惯将它们视为形容词，不妨将它们视为宾语补语。