圆规英文

ink, pensil refill ,pencil sharpener ,bow compass ,exercise book ,schoolbook/textbook

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墨水 [简明汉英词典]
ink
writing ink

铅 [简明汉英词典]
lead
plumbum

pencil sharpener

圆规 [简明汉英词典]
bow compass
compasses
dividers

练习本 [简明汉英词典]
exercise book
教科书 [简明汉英词典]
schoolbook
textbook

墨水：ink
铅芯：Lead
卷笔刀：Juanbidao
圆规：Compasses
练习本：The practice
教科书：Textbook