| 例句 |
She felt like a fifth-grader who had snitched on a classmate.她觉得自己就像一个告发了同班同学的五年级学生。The most noticeable change was in my younger brother, who had grown quite a bit and was now a third-grader.变化最明显的是我弟弟，他长高了很多，已经是三年级的学生了。Her students say that she's a tough/easy grader.她的学生说她打分严格/宽松。Tim, a third-grader, had difficulty with his schoolwork, and also found it hard to make friends.蒂姆是一名三年级学生，学习上有困难，而且交朋友也有问题。 |