1
junior-grade + noun
通常置于名词前作定语。
She teaches junior-grade students.
她教低年级学生。
级别较低的；下级的；次等的
先理解核心含义，再看它在真实句子里的用法。
级别较低的；下级的；次等的
of a lower rank or status; inferior
She teaches junior-grade students.
她教低年级学生。
这里指级别或地位较低，不是学校年级中的“低年级”。
低年级
s inferior in rank or status
After six months of training, she accepted a junior-grade position in the sales team.
经过六个月的培训，她接受了销售团队中的一个初级职位。
The new intern often asks junior-grade colleagues for help with the daily reports.
新来的实习生经常就每日报告向资历较浅的同事求助。
He was promoted from a junior-grade clerk to a senior manager within three years.
三年内，他从一名低级职员晋升为高级经理。
通常置于名词前作定语。
She teaches junior-grade students.
她教低年级学生。
可用于系动词后作表语。
His rank is junior-grade.
他的级别是初级。
Not this
He is a junior-grade in the company.
Use this
He is a junior-grade employee in the company.
“junior-grade” 是形容词，不能单独作名词使用，必须修饰一个名词。中文学习者可能受汉语中形容词可作名词的影响而遗漏了被修饰的名词。
Not this
She is a junior-grade student in high school.
Use this
She is a junior in high school.
“junior-grade” 表示低级别或低级，不是指三年级学生。正确的表示三年级学生的词是“junior”（名词）。中文学习者可能误将“低年级”直接翻译为“junior grade”。
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