patch

My favorite pair of jeans has a denim patch sewn onto the knee to cover a tear.

(Chinese) 我最喜欢的牛仔裤膝盖上缝了一个牛仔布补丁，用来遮盖裂口。

The soldier wore a colorful patch on his shoulder representing his specific military unit.

(Chinese) 这名士兵在肩膀上佩戴了一个代表他所属特定部队的彩色徽章（贴片）。

The software company released a security update to patch a critical vulnerability in the operating system.

(Chinese) 软件公司发布了一个安全更新，以修复操作系统中的一个严重漏洞。

The IT team worked through the night to patch the server before the morning rush.

(Chinese) IT团队彻夜工作，在早高峰前为服务器安装了补丁。