x No Plagiarism!vNg5hONLUvSLtPrdXThKposted 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 protection77PENANAY3ktWMx1ge 維尼 172.69.6.191ns 172.69.6.191da2