fix(lang): Complete the Simplified Chinese translations (zn-CN.json) (#4827)

Provide the full list of translations for the Simplified Chinese language.

lang/zh-CN.json

@@ -37,5 +37,48 @@
   ", opens subtitles settings dialog": ", 开启字幕设置弹窗",
   ", opens descriptions settings dialog": ", 开启描述设置弹窗",
   ", selected": ", 选择",
-  "captions settings": "字幕设定"
+  "captions settings": "字幕设定",
+  "Audio Player": "音频播放器",
+  "Video Player": "视频播放器",
+  "Replay": "重播",
+  "Progress Bar": "进度小节",
+  "Volume Level": "音量",
+  "Close Modal Dialog": "关闭弹窗",
+  "subtitles settings": "字幕设定",
+  "descriptions settings": "描述设定",
+  "Text": "文字",
+  "White": "白",
+  "Black": "黑",
+  "Red": "红",
+  "Green": "绿",
+  "Blue": "蓝",
+  "Yellow": "黄",
+  "Magenta": "紫红",
+  "Cyan": "青",
+  "Background": "背景",
+  "Window": "视窗",
+  "Transparent": "透明",
+  "Semi-Transparent": "半透明",
+  "Opaque": "不透明",
+  "Font Size": "字体尺寸",
+  "Text Edge Style": "字体边缘样式",
+  "None": "无",
+  "Raised": "浮雕",
+  "Depressed": "压低",
+  "Uniform": "均匀",
+  "Dropshadow": "下阴影",
+  "Font Family": "字体库",
+  "Proportional Sans-Serif": "比例无细体",
+  "Monospace Sans-Serif": "单间隔无细体",
+  "Proportional Serif": "比例细体",
+  "Monospace Serif": "单间隔细体",
+  "Casual": "舒适",
+  "Script": "手写体",
+  "Small Caps": "小型大写字体",
+  "Reset": "重启",
+  "restore all settings to the default values": "恢复全部设定至预设值",
+  "Done": "完成",
+  "Caption Settings Dialog": "字幕设定视窗",
+  "Beginning of dialog window. Escape will cancel and close the window.": "开始对话视窗。离开会取消及关闭视窗",
+  "End of dialog window.": "结束对话视窗"
 }