water bug

US /ˈwɑː.t̬ɚ ˌbʌɡ/
UK /ˈwɑː.t̬ɚ ˌbʌɡ/
"water bug" picture
1.

물벌레, 수서곤충

any of various insects that live in or on water, especially a large aquatic bug (family Belostomatidae) that can inflict a painful bite

:
I saw a large water bug swimming in the pond.
연못에서 큰 물벌레가 헤엄치는 것을 봤어.
Some people confuse cockroaches with water bugs.
어떤 사람들은 바퀴벌레를 물벌레와 혼동해.