From 63127dd0c04648a064845bc13475fbc8cf1eb034 Mon Sep 17 00:00:00 2001
From: Zhicheng Wang <zcwang@thoughtworks.com>
Date: Sun, 2 Sep 2018 11:31:35 +0800
Subject: [PATCH] =?UTF-8?q?docs(API):=20=E7=BF=BB=E8=AF=91=E5=AE=8C?=
 =?UTF-8?q?=E4=BA=86=20NgStyle?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 aio/content/translations/cn/api-plan.md    | 2 +-
 packages/common/src/directives/ng_style.ts | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/aio/content/translations/cn/api-plan.md b/aio/content/translations/cn/api-plan.md
index 93a1f8fb37..1e5ff71cb2 100644
--- a/aio/content/translations/cn/api-plan.md
+++ b/aio/content/translations/cn/api-plan.md
@@ -32,7 +32,7 @@
 [x]  | core/ElementRef  | 0.67
 [x]  | core/OnInit  | 0.66
 [x]  | common/UpperCasePipe  | 0.65
-[ ]  | common/NgStyle  | 0.60
+[x]  | common/NgStyle  | 0.60
 [ ]  | router/RouterOutlet  | 0.59
 [ ]  | forms/Validators  | 0.59
 [ ]  | common/http/HttpHeaders  | 0.56
diff --git a/packages/common/src/directives/ng_style.ts b/packages/common/src/directives/ng_style.ts
index 9062f05b0f..f4a25a1b7d 100644
--- a/packages/common/src/directives/ng_style.ts
+++ b/packages/common/src/directives/ng_style.ts
@@ -24,10 +24,19 @@ import {Directive, DoCheck, ElementRef, Input, KeyValueChanges, KeyValueDiffer,
  *
  * Update an HTML element styles.
  *
+ * 修改 HTML 元素的样式。
+ *
  * The styles are updated according to the value of the expression evaluation:
+ *
+ * 这些样式会根据表达式的求值结果进行更新：
+ *
  * - keys are style names with an optional `.<unit>` suffix (ie 'top.px', 'font-style.em'),
+ *
+ *   key 是样式名，可以带一个可选的 `.<unit>` 后缀（比如 'top.px', 'font-style.em'），
+ *
  * - values are the values assigned to those properties (expressed in the given unit).
  *
+ *   value 是一些与这些属性相关的值（以指定的单位表示）。
  *
  */
 @Directive({selector: '[ngStyle]'})