[zh] sync concepts/containers/_index.md

content/zh-cn/docs/concepts/containers/_index.md

@@ -11,7 +11,7 @@ Each container that you run is repeatable; the standardization from having
 dependencies included means that you get the same behavior wherever you
 run it.
 
-Containers decouple applications from underlying host infrastructure.
+Containers decouple applications from the underlying host infrastructure.
 This makes deployment easier in different cloud or OS environments.
 
 Each {{< glossary_tooltip text="node" term_id="node" >}} in a Kubernetes
@@ -33,7 +33,7 @@ Kubernetes 集群中的每个{{< glossary_tooltip text="节点" term_id="node" >
 <!--
 ## Container images
 A [container image](/docs/concepts/containers/images/) is a ready-to-run
-software package, containing everything needed to run an application:
+software package containing everything needed to run an application:
 the code and any runtime it requires, application and system libraries,
 and default values for any essential settings.
 
@@ -47,8 +47,10 @@ updated image.
 -->
 
 ## 容器镜像 {#container-images}
-[容器镜像](/zh-cn/docs/concepts/containers/images/)是一个随时可以运行的软件包，
-包含运行应用程序所需的一切：代码和它需要的所有运行时、应用程序和系统库，以及一些基本设置的默认值。
+[容器镜像](/zh-cn/docs/concepts/containers/images/)是一个随时可以运行，
+并包含运行应用程序所需的一切的软件包：
+代码和它需要的所有运行时、应用程序和系统库，
+以及一些基本设置的默认值。
 
 容器旨在设计成无状态且[不可变的](https://glossary.cncf.io/immutable-infrastructure/)：
 你不应更改已经运行的容器的代码。如果有一个容器化的应用程序需要修改，