是submit的过去式
submit:
1.（常与to连用）服从,顺从；使降服
2.提出,提交
I submitted my papers to the examiner.
我把试卷交给主考老师.
I hope you can submit you term papers before the deadline.
我希望你们能在最后限期之前交上你们的学期论文.
3.（常与to连用）建议；主张