x No Plagiarism!jHU34ljP8tbzpZUyf9AOposted 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 protection85PENANA7n6GH9xDcC 維尼 172.69.58.84ns 172.69.58.84da2