| 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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