>This industry has been in decay for some time >She smelt the unpleasant smell of decaying meat. >Our intellectual power will decay in old age. 衰败期 腐烂衰退➢This industry has been in decay for some time. ➢She smelt the unpleasant smell of decaying meat. ➢Our intellectual power will decay in old age. 衰败期 腐烂 衰退