pencil case/pencil box 文具盒，铅笔盒
pencil sharpener /??ɑ?pn?(r)/ 转笔刀，削铅笔刀
ink /??k/ 墨水
4　铅笔
pencil /?pensl/
单数部落　一支铅笔 a pencil
一打铅笔 a dozen pencils
一盒铅笔 a box of pencils
复数部落　两支铅笔 two pencils
两打铅笔 two dozen pencils
两盒铅笔 two boxes of pencils
会话急救包
转铅笔 spin a pencil
A：She was spinning a pencil with her fingers while she was talking to me.
她一边用手指转铅笔，一边和我说话。
B：It sounds like she wasn't paying attention.