tracking

n. /ˈtrækɪŋ/ B2

追踪；跟踪；监测

The act of following or recording the movements of something.

仙境例句

The astronomer's tracking of the moon filled a whole book with notes and little drawings.

天文学家对月亮的追踪记录，写满了整整一本书，还配着小小的图画。