like: thanh lọc
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Composite Words Listening Comprehension Oxford Topics Duolingo Topics 315 Activities
BEGINNER LEVEL
exact:
VNEN 
thanh lọc * ☊ 
to fire, lay off; to weed out, select, purify, purge, cleanse * ☊
[ thanh ] : sound, noise, tone, pitch
[ lọc ] : to filter, screen, choose, select
[ thanh ] : bar