Pushdown
推下; 后进先出方式
🗣️ 情景例句
when all my favorite people live here?
而所有我喜欢的人都在这里呢？
How did it come to this?
岂有此理！
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。