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315 Activities V
exact: like: tầng đối lưu
VNEN 
tầng đối lưu * ☊ 
troposphere (meteor) * ☊
[ tầng ] : story, floor layer, stratum, stage (of a rocket)
[ đối ] : (1) couple; (2) to apply; (3) opposing, anti-
[ lưu ] : to stop, detain, keep