需要上学穿的毛衣用英文怎么说

"School sweater" is a common term used to refer to the sweater required to be worn at school. This term originated from the practice of many schools requiring students to wear specific uniforms or dress codes, including a sweater or cardigan as part of the attire.

Example sentence in Engpsh:

"I need to buy a new school sweater for my son's uniform."
"Don't forget to bring your school sweater to wear in class."

Example sentence translation in Chinese:

"我需要为儿子买一件新的学校毛衣作为校服。"
"别忘了带上你的学校毛衣去上课。"