like: thăm dò
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
thăm dò * ☊ 
to investigate, search for, look for; poll, survey * ☊
[ thăm ] : to call on, visit, see
[ dò ] : to collate, compare; to look for, search (information)