2N-COUNT (医用或科学研究用的)密封小容器 A capsule is a small container with a drug or other substance inside it, which is used for medical or scientific purposes. (医用或科学研究用的)密封小容器
They first implanted capsules into the animals' brains.
他们首先将密封管植入动物的大脑。
The clear capsules start dissolving as soon as they are immersed in the lake.
那些透明密闭容器一浸入湖水中就开始溶解。
3N-COUNT [oft n NOUN](植物的)蒴果,荚膜,孢蒴 In some plants, a capsule is a part which forms a case or container for seeds, fruit, or spores. (植物的)蒴果,荚膜,孢蒴 [technical]
...a large shiny brown nut, enclosed in a large spiny seed capsule.
一个硕大发亮的褐色坚果,包裹在一个多刺的大种子荚内
4N-COUNT 航天舱;密封舱;太空舱 A space capsule is the part of a spacecraft in which people travel, and which often separates from the main rocket. 航天舱;密封舱;太空舱
A Russian space capsule is currently orbiting the Earth.