x No Plagiarism!LatTZYU8GmTvH8RzRVGFposted 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 protection97PENANAptov2aKWei 維尼 172.70.179.125ns 172.70.179.125da2