Unstack
vi. 退栈, 出栈
🗣️ 情景例句
but he usually managed to squeeze a Sunday in
但是他总会设法挤出星期天，
He who fears to suffer, suffers from fear.
怕吃苦头的反因怕而吃苦头。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。