ZH-trans: add security-context.md (#12262)

* ZH-trans: add security-context.md

* Update security-context.md

* Update security-context.md

* Update security-context.md

content/zh/docs/reference/glossary/security-context.md

@@ -1,4 +1,18 @@
 ---
+title: 安全上下文（Security Context）
+id: security-context
+date: 2018-04-12
+full_link: /docs/tasks/configure-pod-container/security-context/
+short_description: >
+  securityContext 字段定义 Pod 或容器的特权和访问控制设置，包括运行时 UID 和 GID。
+
+aka: 
+tags:
+- security
+---
+
+<!--
+---
 title: Security Context
 id: security-context
 date: 2018-04-12
@@ -10,9 +24,20 @@ aka:
 tags:
 - security
 ---
+-->
+
+<!--
  The securityContext field defines privilege and access control settings for a Pod or Container, including the runtime UID and GID.
+-->
+securityContext 字段定义 Pod 或容器的特权和访问控制设置，包括运行时 UID 和 GID。
 
 <!--more--> 
 
+<!--
 The securityContext field in a {{< glossary_tooltip term_id="pod" >}} (applying to all containers) or container is used to set the user (runAsUser) and group (fsGroup), capabilities, privilege settings, and security policies (SELinux/AppArmor/Seccomp) that container processes use.
+-->
+{{< glossary_tooltip term_id="pod" >}} 或者容器中的 securityContext 字段（应用于所有容器）用于设置容器进程使用的用户（runAsUser）和组 （fsGroup）、权能字、特权设置和安全策略（SELinux/AppArmor/Seccomp）。
+
+
+