No Plagiarism!8hoNsjAmh0np3pCL0Hu2posted 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 protection325PENANA6U7x6Vov2L 維尼216.73.216.146ns216.73.216.146da2