| 单词 | plummet |
| 释义 | plummet n 1 (weight attached to a) plumb-line 测深锤; 铅锤; 铅垂线. 2 weight attached to a fishing-line to keep the float upright （钓丝上的）铅坠, 坠子（用以使鱼漂竖起）. plummet, v [I, Ipr, Ip] fall steeply or rapidly 大坡度或快速落下 House prices have plummeted in this area. 此地房价大跌. Pieces of rock plummeted down the mountainside to the ground below. 岩石一块块顺著山的陡坡滚落到地面. |
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