The shells she sells are sea shells.

她卖的贝壳是海贝。

youdao

My dear, imagine that if we don't have the shells, what will happen to us?

亲爱的，请你想象一下，如果我们没有了这些贝壳，我们将会怎么样呢？

youdao

Different ratios in the shells preserved in various layers of sediment reveal the temperature changes in the oceans during the Pleistocene epoch.

不同沉积层中保存的壳有不同的含量比例，显示出更新代海洋温度的变化。

youdao

Using a mortar and pestle, the fruits are slightly pounded to remove the shells from the fruits without breaking the seed inside."

VOA: special.2011.06.14

So, if we look at what the other sub shells are called, essentially we're just converting the number to a letter.

我们来看看,另外的子壳层叫什么，本质上，我们就是把数字转换为，一个字母。

麻省理工公开课 - 化学原理课程节选

So as we go down we're now adding electrons to further and further away shells, so what we're going to see is that the atomic radius is going to increase as we're going down the periodic table.

当我们向下走时,我们会将电子加在越来越远的壳层上，因此我们将看到原子半径,将随我们沿周期表向下走而增大。

麻省理工公开课 - 化学原理课程节选

University of Maine researchers have developed a golf ball made from the shells of lobster.

FORBES: Lobster Golf Balls to Revive Ship Driving Ranges

If the shells hit us and we die, then that is what God wants.

BBC: Syria conflict: The Lebanese town living under fire

The shells should provide evidence of how ocean temperatures changed during that period.

NPR: With Climate Swing, a Culture Bloomed in Americas