四年级的英文怎么说
四年级的英文：senior class
参考例句：
[*]On the night of the prom the seniors were on a cloud
学校举行舞会那天晚上，四年级学生都兴高采烈。[*]The third and fourth grades teamed up to decorate the gym for the party.
三、四年级的学生一起合作，为联谊会布置体育馆。[*]Skip from the fourth to the sixth grade.
从四年级跳级到六年级。[*]The seniors defeated the juniors by 3-1.
四年级学生以三比一战胜了三年级学生。[*]The twins will enter the fourth grade this fall.
这对双胞胎今年秋季将升到四年级。[*]As a senior, Peter is writing his thesis.
大学四年级学生彼得正在写毕业论文。[*]He had to repeat the fourth grade.
他读四年级时留级一年。[*]The Seniors threw a masquerade party on Thanksgiving Day.
四年级学生在感恩节举行了化装舞会。[*]Last semester I taught third grade and this semester, fourth grade.
上学期我教的是三年级,这学期教四年级。[*]Seniors of the threshold of the diplomatic career are expected to take this course
希望即将从事外交工作的四年级生选修本课程。senior是什么意思：
adj. 较年长的；较高的；资历较深的
n. 较年长的人；高年级学生；上司
[*]He is senior to me.
他的职位比我高。[*]The interests of seniors tend to be . . . varied
老年人的兴趣倾向于…多彩的。[*]Senior prom, do you have the fever?
毕业生舞会，你有兴趣吗？[*]Seniors and moms flocked to their booth.
老年人和母亲们蜂拥来到他们的摊位。[*]There are separate rooms for senior and junior officers.
高级军官和下级军官的房间是分着的.class是什么意思：
n. 班级；阶级；种类
v. 分类；把…分等级
adj. 很好的
[*]It is a step class.
这是踏板操训练班。[*]The class dismissed.
下课了。[*]The class teacher sectioned the class for dialogues.
老师把班级分组进行对话练习。 [*]The class teacher dismissed the class on time.
教师按时下课。[*]A second - class letter is slower than a first - class.
二类信比一类信件慢。
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