This is the 17329th most frequent Korean word.
선박을
"선박을" means "ship" or "vessel" in Korean (in the accusative case).
The word '선박을' is used as the direct object of the verb '운항하다', meaning 'to navigate'. It specifies the ship being navigated.
그 선장은 선박을 안전하게 항구로 운항했다.
The captain navigated the ship safely to the harbor.
Here, '선박을' is the direct object of '연구하다', to study, indicating that he is studying ships in his research.
그는 선박을 연구하며 설계도를 작성한다.
He studies ships and drafts design plans.
In this sentence, '선박을' is connected to '건조하다', meaning 'to construct'. It specifies the ships as the object of construction.