英语词汇ninth-graders怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
Researchers would like to explore further how parents and schools can help ninth graders by changing their mindset.
研究人员希望进一步探索父母和学校是如何通过改变观念模式来帮助九年级的学生的。
2
One study showed that friendships among ninth graders were far from stable.
一项研究表明，九年级学生之间的友谊并不稳定。
3
One study of ninth-grade students found that 50 percent of friendships among ninth graders changed from one month to the next, signaling striking instability in friendships.
一项对九年级学生的研究发现，在九年级学生中，50%的友谊每个月都会发生变化，这表明友谊极其不稳定。

单词	ninth-graders
释义	ninth-graders 简明释义 n．九年级学生：在美国教育体系中，指上九年级的学生，通常年龄在14至15岁之间。双语例句 1 Researchers would like to explore further how parents and schools can help ninth graders by changing their mindset. 研究人员希望进一步探索父母和学校是如何通过改变观念模式来帮助九年级的学生的。 2 One study showed that friendships among ninth graders were far from stable. 一项研究表明，九年级学生之间的友谊并不稳定。 3 One study of ninth-grade students found that 50 percent of friendships among ninth graders changed from one month to the next, signaling striking instability in friendships. 一项对九年级学生的研究发现，在九年级学生中，50%的友谊每个月都会发生变化，这表明友谊极其不稳定。
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