有人对她搞恶作剧，在那些台阶的顶部拉了一根绳子。

Someone had played a trick on her, stretched a piece of string at the top of those steps.

《柯林斯英汉双解大词典》

这些壶底部粗，顶部细。

The pots are wide at the base and tapered at the top.

《牛津词典》

在顶部和底部各留一点空隙，这样空气就可以流通了。

Leave a gap at the top and bottom so air can circulate.

《柯林斯英汉双解大词典》

In fact, the water at the bottom of the waterfall is hotter than the water at the top of the waterfall.

实际上，瀑布底部的水,的确比顶部的水要热。

麻省理工公开课 - 热力学与动力学课程节选

The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.

顶部盖了盖子的热水瓶，不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。

麻省理工公开课 - 热力学与动力学课程节选

Now just to get used to the conventions, 0 because this is the program you'll use not for problems at 0 but for 1 to start writing programs, notice at the top in this window just reminds you what you're working on.

我们要入乡随俗，习惯这样的界面，因为这是你们将要用到的程序，不是为习题集0，而是0,而是为习题集1开始写程序的,注意窗口顶部，这是用来提醒你，你工作在何种环境。

哈佛公开课 - 计算机科学课程节选