| 单词 | 圆珠尖 |
| 释义 | 〔ballpoint〕A pen having as its writing point a small ball bearing that transfers ink stored in a cartridge onto a writing surface.圆珠尖,球尖：有一小滚珠做为书写点的笔，可将贮存于笔管中的墨水传送到书写面上 |
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