Docs: Update CameraHelper.html for zh. (#24244)

docs/api/zh/helpers/CameraHelper.html

@@ -68,12 +68,12 @@
 
 		<h3>[method:undefined dispose]()</h3>
 		<p>
-			Disposes of the internally-created [page:Line.material material] and [page:Line.geometry geometry] used by this helper.
+			用于辅助对象销毁内部创建的 [page:Line.material material] 和 [page:Line.geometry geometry] 。
 		</p>
 
 		<h3>[method:this setColors]( [param:Color frustum], [param:Color cone], [param:Color up], [param:Color target], [param:Color cross] )</h3>
 		<p>
-			Defines the colors of the helper.
+			定义辅助对象的颜色。
 		</p>
 
 		<h3>[method:undefined update]()</h3>