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- We will see below how to take into account the case of an empty stack, which has no top to be popped. 我们将在下面看到如何考虑一个空栈的情况，栈中并没有栈顶元素可以被弹出。
- How much do all these figures stack up to? 这些数字的总和是多少？
- The current sink stack is empty. 当前接收器堆栈为空。
- He asked for a donation but went away empty handed. 他请求人们捐款，但离开时却一无所获！
- An empty stomach is not a good political adviser. 空肚子不是政治上的好顾问。
- The baker empty several bags of flour into a bin. 面包师把几袋面粉倒入贮藏箱里。
- Don't always indulge in empty talk. 别总是纸上谈兵。
- His footsteps echoed (in the empty hall). 他的脚步声(在空荡荡的大堂里)产生了回声。
- I had to empty out the drawer to find the papers. 我不得不倒出抽屉的东西以找出那些文件。
- These words are empty of meaning. 这些话毫无意义。
- The old empty house soon went to rack and ruin. 这所旧的空房子很快就毁坏了。
- He placed his books in a neat stack. 他把书整整齐齐放成一堆。
- You will find a little stack of candles in reserve. 你会发现一小堆备用蜡烛。
- The grain has gone mouldy in the stack. 垛里的谷子发霉了。
- Don't build on his empty promises. 不要指靠他的空洞诺言。
- He has an empty purse, but a free heart. 他身上没有钱，但心里无忧无虑。
- Look, there are two empty seats over there. 瞧，那儿有两个空位置。
- How does our product stack up against those of yours? 我们的产品与你们的相比怎么样？
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- That's how things stack up today. 目前的情况总之就是这样。
