His presence meant that I had an unexpected teaching assistant in class whose creativity would infect(感染) other students.
他的存在意味着我有了一个意料之外的教学助理, 他的创作力会感染其他的学生。
二零一六全国卷二
I've been offered a job for three years as an assistant to Prof. Hayes from Birmingham University.
我得到一份伯明翰大学海因斯教授助理的工作, 为期三年。
二零一七全国卷二
I'm the teaching assistant for this lab session.
我是这次实验的助教。
二零一七全国卷三