“墨水,自动铅笔,铅芯,卷笔刀,教科书”用英语怎么说?

4. dye-based
1. propelling pencil
2. mechanical pencil
3. automatic pencil
lead gauge 螺距规卷笔刀:
1. sharpener
teacher教师
sharpener卷笔刀
2. pencil sharpener
pencil box 铅笔盒
pencil sharpener 卷笔刀
a rubber 文具盒
a ruler 卷笔刀
a car 自行车教科书:
1. textbook
encyclopaedia, encyclopedia 百科全书
textbook 教科书
2. coursebook
courier 专递员,专递公司
coursebook 教科书3. schoolbook