shū​zhāng

diastole

舒张 (舒張) shū​zhāng
diastole adjective
(physiology) the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood
relax and expand adjective
to relax and expand, especially in relation to muscles or blood vessels

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
2.68 per million

Sources

Definitions
CC-CEDICT