the teacher said " class is over ",the students stood up and

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the teacher said " class is over ",the students stood up and walked out.
at these words
at在这是什么用法
可以换为with吗
the teacher said " class is over ",at these words ,the students stood up and walked out.

at 在这句话中表示“in respond to sth ” 有 "回答,响应"的意思
这句话表示为“老师一说完下课,作为对下课的响应,同学们都站起来并走出去”
不能用 with ,with 没有这个用法.

the teacher said " class is over ",the students stood up and 英语翻译The teacher stood before his class of 30 students and wa The teacher stood before his class of 30 students and was go The students all stood up ____ the teacher came in. the students all stood up when the teacher.进入 The classroom The teacher then turned to the class and said the teacher and the students talk _______ english ____ class the class is over.the students stop____(have)a rest teacher stood up,and______ some students. Our teacher said that all the students in our class ______ t The class was over and the teacher walked out of the c______ The class was over and the teacher walked out of the C_____