fountain-pen自来水笔;钢笔
fountain n pen case钢笔套
fountain n pen nib钢笔头
fountain n pen clip钢笔夹
fountain pen pen钢笔
fountain-pen painting钢笔画
fountain n pen自来水笔;钢笔
fountain n pen ink钢笔墨水
fountain n pen barrel钢笔杆
N-COUNT（可数名词） A fountain pen is a pen which uses ink that you have drawn up inside it from a bottle. 钢笔