1. examine
Amerikan İngilizcesi kelime "zbadać"(examine) kümelerde oluşur:
Kas_7th Decemberangielski 6.82. investigate
The cause of the fire is being investigated.
Amerikan İngilizcesi kelime "zbadać"(investigate) kümelerde oluşur:
UFO - zdania3. look into
the police look into the possible causes of the accident