学生仿写用英语表达为 "student imitation"。这个词组来源于英语中 imitation 的名词用法，指的是模仿、效仿。例如：

The teacher gave the students an assignment to write an essay based on a famous author's work, as a way of encouraging student imitation.
The art teacher showed the class a painting by a famous artist, and asked the students to try and create their own versions, in order to develop their skills in student imitation.
In music class, the students pstened to a recording of a well-known song, and then tried to play the melody on their instruments, as a way of practicing student imitation.

在这些例句中，学生仿写指的是学生们模仿或效仿其他人的作品来创作自己的作品。