[zh] sync concepts/workloads/pods/downward-api.md

[KKtheGhost]

PR Summary

• EN upstream: content/en/docs/concepts/workloads/pods/downward-api.md
• Sync to: content/zh-cn/docs/concepts/workloads/pods/downward-api.md

Sync check by scripts/lsync.sh on main branch:

$ scripts/lsync.sh content/zh-cn/docs/concepts/workloads/pods/downward-api.md
diff --git a/content/en/docs/concepts/workloads/pods/downward-api.md b/content/en/docs/concepts/workloads/pods/downward-api.md
index 971475199c..e084c92abd 100644
--- a/content/en/docs/concepts/workloads/pods/downward-api.md
+++ b/content/en/docs/concepts/workloads/pods/downward-api.md
@@ -44,7 +44,7 @@ You can pass information from available Container-level fields using

 ### Information available via `fieldRef` {#downwardapi-fieldRef}

-For most Pod-level fields, you can provide them to a container either as
+For some Pod-level fields, you can provide them to a container either as
 an environment variable or using a `downwardAPI` volume. The fields available
 via either mechanism are:

@@ -75,9 +75,16 @@ The following information is available through environment variables
 `status.hostIP`
 : the primary IP address of the node to which the Pod is assigned

+`status.hostIPs`
+: the IP addresses is a dual-stack version of `status.hostIP`, the first is always the same as `status.hostIP`.
+  The field is available if you enable the `PodHostIPs` [feature gate](/docs/reference/command-line-tools-reference/feature-gates/).
+
 `status.podIP`
 : the pod's primary IP address (usually, its IPv4 address)

+`status.podIPs`
+: the IP addresses is a dual-stack version of `status.podIP`, the first is always the same as `status.podIP`
+
 The following information is available through a `downwardAPI` volume
 `fieldRef`, **but not as environment variables**:

Sync check byscripts/lsync.sh on sync/ingress-controllers branch:

$ scripts/lsync.sh content/zh-cn/docs/concepts/workloads/pods/downward-api.md
content/zh-cn/docs/concepts/workloads/pods/downward-api.md is still in sync

Thanks to the reviewers in advance.
Best Regards,

Kivinsae Fang

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[windsonsea]

Suggested change

	: 这组 IP 地址是 `status.podIP` 的双协议栈版本, 第一个 IP 始终与 `status.podIP` 相同。
	: 这组 IP 地址是 `status.podIP` 的双协议栈版本，第一个 IP 始终与 `status.podIP` 相同。

[tengqm]

/approve

[ydFu]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: efd126e8a8c146b2dc037fb5c2e6caa45b756d7b

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tengqm, ydFu

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