私たちは動物園でサルをみました。

we; us

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

zoo; zoological gardens

indicates location of action; at; in; indicates time of action; indicates means of action; cause of effect; by; and then; so; indicates continuing action; indicates certainty, emphasis, etc.

monkey (esp. the Japanese macaque, Macaca fuscata); ape; non-human primate; sly person; idiot; hick; sliding wooden bolt (for holding a door or window shut); clasp used to control the height of a pot-hook; bathhouse prostitute

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to see; to look; to watch; to view; to observe; to look over; to look on; to assess; to examine; to judge; to look after; to keep an eye on; to take care of; to view (e.g. flowers, movie); to try; to try out; to see that...; to find that...