| 单词 | plummet level |
| 释义 | > as lemmasplummet level plummet level n. a mason's level with a plummet suspended above the base. ΘΚΠ society > occupation and work > equipment > equipment for marking out work > [noun] > plumb-line or chalk-line poundereOE righteOE line1340 plummeta1398 plumba1400 perpendicle?c1400 plumb rulec1400 levelc1440 pendant1440 plumb linea1456 levelling-rule1598 perpendicular1604 plummet levelc1850 point-brass1850 c1850 E. A. Andrews Copious & Crit. Lat.-Eng. Lexicon 878/3 Libella, level, water-level, plummet-level. 1875 E. H. Knight Pract. Dict. Mech. Plummet-level, that form of a level having a suspended plummet in a standard at right angles to the base-piece. A mason's level. 2001 Scotsman (Nexis) 12 Jan. 12 Yesterday, the shares closed up 3p at 324p. While this is nowhere near the pre-1999 plummet level, it represents a 42 per cent gain on the low it touched in June. < as lemmas |
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