x No Plagiarism!8IdjV7nvusOVYBesRNdsposted on PENANA 原子筆的筆芯放在水下,筆尖會自動朝下,並且整支筆芯會垂直於地面。8964 copyright protection192PENANAfdFmuwVvZi 維尼3.147.59.56ns3.147.59.56da2