第三人稱(chēng)復數：ballpoints
ballpoint基本解釋
名詞（筆的）圓珠筆
ballpoint網(wǎng)絡(luò )解釋
1. 圓珠筆：本季的邊車(chē)系列書(shū)寫(xiě)工具新增了雙色簽字筆(Bi-ColourRollerball)和圓珠筆(BallPoint). 采用鍍鈀表面結合精細金質(zhì)修飾,極富吸引力;而邊車(chē)家族的纖細書(shū)寫(xiě)筆版本則增添了采用鉆石切割鍍鈀及拋光黑色漆面筆管的設計,鍍鈀筆帽上鐫刻有豎形條紋,
2. 滾珠支樞：ballplug 球形塞 | ballpoint 滾珠支樞 | ballpointpen 圓珠筆
ballpoint詞典解釋
1. 圓珠筆
A ballpoint or a ballpoint pen is a pen with a very small metal ball at the end which transfers the ink from the pen onto a surface.
ballpoint英英釋義
noun
1. a pen that has a small metal ball as the point of transfer of ink to paper
Synonym: ballpoint penballpenBiro