yí tǐ / cháng shí jiān / bǎo chí / yǎng wò / zī shì / hòu / bèi bù / chū xiàn / le / míng xiǎn / de / shī bān

遗体长时间保持仰卧姿势后，背部出现了明显的尸斑。

After the body remained in a supine position for a long time, pronounced livor mortis appeared on its back.