v.下来，下落；vi.（价格、温度、比率等）下降；着陆；崩塌；决定并宣布（支持或反对） 英英释义： come down n.decline to a lower status or level同义词：comedownv.move downward and lower, but not necessarily all the way同义词：descendfallgo downbe the essential element同义词：reduceboil downfall from clouds同义词：pre