Word: 收缩 (shōusuō) Traditional: 收縮 收缩 dictionary entry shōusuō to pull back; to shrink; to contract; systole Full dictionary entry for 收缩 Example sentences using 收缩 2 sentences, showing page 1 of 1. 天冷时，血管会收缩。 Tiānlěng shí, xuèguǎn huì shōusuō. When it is cold, blood vessels contract. 金属冷却的时候会收缩。 Jīnshǔ lěngquè de shíhou huì shōusuō. Metals contract when they cool.