This is the 8351st most frequent Korean word.
slbm은
"SLBM은" means "SLBM is," where "SLBM" refers to submarine-launched ballistic missile.
Here, 'SLBM은' is used as the topic of the sentence, with '은' being the topic marker.
SLBM은 해군 무기에 속한다.
SLBM belongs to naval weapons.
In this sentence, 'SLBM은' introduces the focus of a question, with '은' serving to contrast it.
SLBM은 다른 미사일과 어떻게 다를까?
How does an SLBM differ from other missiles?
'SLBM은' emphasizes the subject in a general statement, indicating its importance.