supply teacher
词典结果：
supply teacher[英][s?plai ?ti:t?][美][s?pla tit?]
n.代课老师;
复数：supply teachers
以上结果来自金山词霸
例句:
1.
Does ann woodford still work as a supply teacher?
安伍德福德还在当代课老师吗？
2.
She is a supply teacher, going wherever she's needed.
她是一位代课教师，哪里有需要就得去哪里。