4 sentences

1. 这种布料遇水后会收缩。

   zhè zhǒng bù​liào yù shuǐ hòu huì shōu​suō.

   This fabric shrinks when it gets wet.

   Source: Dong Chinese Dictionary

2. 皮革开始迅速收缩。

   pí​gé kāi​shǐ xùn​sù shōu​suō.

   The leather started shrinking rapidly.

   Source: OpenSubtitles

3. 心脏收缩时将血液泵入动脉。

   xīn​zàng shōu​suō shí jiāng xuè​yè bèng​rù dòng​mài.

   The heart pumps blood into the arteries when it contracts.

   Source: Dong Chinese Dictionary

4. 公司决定收缩战线，专注于核心业务。

   gōng​sī jué​dìng shōu​suō zhàn​xiàn, zhuān​zhù yú hé​xīn yè​wù.

   The company decided to scale back and focus on its core business.

   Source: Dong Chinese Dictionary