| 词汇 | drum |
| 词根词缀 | 词源： early 15c., from M.Du. tromme "drum," probably of imitative origin. Not common before 1570s. To drum up (business, etc.) is Amer.Eng. 1839, from the old way of drawing a crowd. 词根记忆： n. 鼓;圆桶Don't drum the floor with your feet.不要用你的脚咚咚地踩踏地板. |
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