Jackblock
顶升构件法
🗣️ 情景例句
I think I did the right thing
我觉得我做了一件对的事
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。