capsule
/ˈkæpsju:l; ?@ ˈkæpsl; `kæpsl/ n
1 seed-case of a plant that opens when the seeds are ripe 蒴; 荚.
2 small soluble case containing a dose of medicine and swallowed with it （装一剂药物的）胶囊.
3 detachable compartment for men or instruments in a spacecraft 航天舱; 太空舱.