late 14c., "ball of lead, plumb of a bob-line," from Old French plomet "graphite, lead; plummet, sounding lead," diminutive of plom "sounding lead" (see plumb (n.)).
plummet (v.)
1620s, "to fathom, take soundings," from plummet (n.). Meaning "to fall rapidly" first recorded 1933, perhaps originally among aviators. Related: Plummeted; plummeting.
实用例句
1. We'd revise to rewire the building, re plummet re - plumb it.
我们必须给大楼重换电线, 重新使它立直.
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2. Stocks that plummet to half their value aren't losers, they're'non - performers '.
股票价格跌了一半的人不是失败者, 而是 “ 表现不佳”.
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3. Mengniu and Yili have seen their shares plummet since the incident broke.
自事件发生以来,蒙牛和伊利的股票大幅下跌.
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4. The prices of the shares may ~ or plummet within one day.
股票价格有可能在一天之内飞速上升或骤然下跌.
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5. Pieces of rock plummet down the mountainside to the ground below.