单词 | plummet |
释义 | plummet n. & v. --n   1. a plumb or plumb-line.   2. a sounding-line.   3. a weight attached to a fishing-line to keep the float upright. --vintr. (plummeted, plummeting) fall or plunge rapidly. Etymology: ME f. OF plommet dimin. (as PLUMB(1)) |
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