查词历史：

backdated backcourt backbone

backdated
生词本

v.

  • 柯林斯高阶英汉双解学习词典

1. VERB 追溯；使（从过去某个日期）开始生效 If a document or an arrangement is backdated, it is valid from a date before the date when it is completed or signed. 

  • The contract that was signed on Thursday morning was backdated to March 11...

    周四早上签订的合同实际生效日期追溯到3月11日。

  • Anyone who has overpaid tax will be able to backdate their claim to last April.

    超额纳税者申领退款可以从去年4月算起。