This is the 10343rd most frequent Korean word.
구기자를
"구기자를" refers to "goji berries" (wolfberries).
In this sentence, '구기자를' denotes the object of the verb, indicating that goji berries are being used for making tea.
구기자를 차로 만들 수 있습니다.
[Goji berries] can be made into tea.
Here, '구기자를' is used as the subject of the statement about its qualities, highlighting someone's opinion on goji berries.
어머니는 항상 구기자를 건강에 좋다고 말씀하십니다.
Mother always says that [goji berries] are good for health.
The word '구기자를' acts as the object of a transaction, referring to goji berries being sold.