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I changed the ink cartridges in my ballpoint pen.我換了圓珠筆里的墨水芯.You can buy the ballpoint pen anywhere.你到哪兒都能夠買到這種圓珠筆.Can you give me two refill of each color for the ballpoint pen?能不能請給這支圓珠筆每種顏色配兩根替換筆芯?...

ballpoint pen的音標(biāo)：ballpoint pen的英式發(fā)音音標(biāo)為：['b?:l?p??nt pen]ballpoint pen的美式發(fā)音音標(biāo)為：['b?l?p??nt p?n]...

n.原子筆...