Backstopping
支援（backstop的现在分词）
🗣️ 情景例句
spend the entire weekend having a good time together here
一起渡过一个快乐的周末
We are prepared to reconsider amending the contract.
我们可以重新考虑修改合同。
The television is near the window.
电视机靠近窗子。