The globular seed capsule contains numerous small seeds.

这颗球形果壳里包着无数的小种子。

《柯林斯英汉双解大词典》

She says the boat would be shaped like a capsule, powered by a small nuclear engine, and though there would be no sail, it would have a mast to hold a camera.

她说船将被制成胶囊形，由一个小型核动力引擎驱动，尽管不会有帆，但船上会有一个固定照相机的桅杆。

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Once inside the stomach, the plastic capsule opens up to release the drug in small, measured amounts.

一旦进入胃部，这种塑料胶囊就会开始释放出定额剂量的药物。

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Ranger IV was also equipped with a seismometer and radio transmitter, designed to be released in a small capsule from the rocket before impact and land on the Moon in sufficiently good condition to measure the frequency of natural earthquakes in the body of the Moon.

BBC: 1962: First US rocket lands on Moon

If you prefer your white wine chilled, there are various decanters that will fit in a fridge, or you can buy an ice-pocket decanter, which has a small built-in capsule for ice that will help keep your wine cool.

WSJ: Will Lyons on Wine: To Decant or Not to Decant

He uses small acoustic tags (the size of a large multivitamin capsule) that are sewn into the body cavities of salmon.

ECONOMIST: Oceanography