plummet

plummetplummetD.J.:[ˈplʌmit]K.K.:[ˈplʌmɪt]vi.1.■垂直落下, 骤然跌落A plane plummeted to earth.一架飞机一头栽向地面。

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plummet['plʌmit]n.1.■=plumb bob2.■= plumb3.■(钓鱼用)铅坠4.■重荷；压抑物vi.1.■垂直落下；骤然跌落：The damaged airplane plummeted towards the earth.受损的飞机一头朝地面栽去。2.■(价格、水平等)骤然下跌；大幅落下：House prices have plummeted in this area.此地房价骤然大跌。

plummetplummet[ˈplʌmit]n.1.■铅锤, 测锤2.■准绳3.■垂球4.■铅垂线5.■钟摆

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词性变化plummet[ˈplʌmit]vi.1.■垂直落下; 骤然失落The damaged aircraft plummeted down to earth.损坏的飞机垂直坠落于地上。