短語詞組短語propelling g pencil 自動鉛筆round d propelling pencil 圓桿活動鉛筆hexagonal l propelling pencil 六角桿活動鉛筆round propelling pencil 圓桿活動鉛筆blue propelling pencil refill 藍色活動鉛筆芯propelling pencil refill 活動鉛筆芯red propelling pencil refill 紅色活動鉛筆芯yellow propelling pencil refill 藍色活動鉛筆芯propelling pencil retractable pencil 活動鉛筆 返回 propelling pencil