Pushdown
推下; 后进先出方式
🗣️ 情景例句
What's the climate like in your country?
你们家乡的气候如何？
Soft fire makes sweet malt.
慢工出细活。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。