plumpadj.丰满的v.下降;支持;变丰满n.突然重重落下(的声音)adv.骤降;直接地
plumen.羽毛;羽饰;羽状物v.整理羽毛;用羽毛装饰;骚首弄姿;自夸
plummet lamp垂灯
plummet line垂直线
plummet level定垂线尺
plummet method测锤法
plummet instrument铅测仪表
plummeting approval rating急剧下降的支持率
"The stock market plummeted"