1. 钢笔尖:pen motor ==> 记录笔电动机 | pen nib ==> 钢笔尖 | pen oscillograph ==> 描笔式示波器,笔式示波器
2. 笔尖清洁剂:笔尖清洁剂 pen handle | 笔尖清洁剂 pen nib | 鸭嘴笔尖(圆规) pen point
1. pen nib的意思
1. Doctors said the pen had eroded so much that its cap and nib could have easily broken and caused gastric perforation if not removed.