This is the 19125th most frequent Korean word.
아치가
"아치가" is not a recognized word in Korean. It may be a typo or a misheard term.
Here, '아치가' represents plural 'arches' and is used to describe the structural elements of the bridge.
그 다리에는 아치가 여러 개 있어요.
The bridge has several arches.
The word '아치가' is the subject, speaking on the frequent use of arches in Roman construction.
고대 로마에서는 아치가 자주 사용되었습니다.
In ancient Rome, arches were frequently used.
In this sentence, '아치가' refers to 'arches' as the subject, emphasizing its importance in architecture.