zh doc: translate the loader.html

docs/api/zh/loaders/Loader.html

@@ -18,10 +18,10 @@
 
 		<h3>[name]( [param:LoadingManager manager] )</h3>
 		<p>
-			[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
+			[page:LoadingManager manager] — 加载器将要使用的 [page:LoadingManager loadingManager]。默认为 [page:LoadingManager THREE.DefaultLoadingManager]。
 		</p>
 		<p>
-			Creates a new [name].
+			创建一个新的[name]。
 		</p>
 
 
@@ -29,78 +29,79 @@
 
 		<h3>[property:string crossOrigin]</h3>
 		<p>
-		The crossOrigin string to implement CORS for loading the url from a different domain that allows CORS.
-		Default is *anonymous*.
+		crossOrigin 字符串用于实现 CORS ，以从允许 CORS 的其他域加载url。
+		默认为*anonymous*。
 		</p>
 
 		<h3>[property:LoadingManager manager]</h3>
 		<p>
-			The [page:LoadingManager loadingManager]  the loader is using. Default is [page:DefaultLoadingManager].
+			加载器要使用的 [page:LoadingManager loadingManager] 。默认为 [page:DefaultLoadingManager] 。
 		</p>
 
 		<h3>[property:String path]</h3>
 		<p>
-			The base path from which the asset will be loaded.
-			Default is the empty string.
+			将从中加载资产的基本路径。
+			默认为空字符串。
 		</p>
 
 		<h3>[property:String resourcePath]</h3>
 		<p>
-			The base path from which additional resources like textures will be loaded.
-			Default is the empty string.
+			将从中加载额外资源（例如纹理贴图）的基本路径。
+			默认为空字符串。
+		</p>
 
 		<h3>[property:object requestHeader]</h3>
 		<p>
-			[link:https://developer.mozilla.org/en-US/docs/Glossary/Request_header request header] 在HTTP 请求中使用。 请参考 [page:.setRequestHeader]。 默认为 *undefined*。
+			[link:https://developer.mozilla.org/en-US/docs/Glossary/Request_header request header] 在 HTTP 请求中使用。 请参考 [page:.setRequestHeader]。 默认为 *undefined*。
 		</p>	
 
 		<h2>方法</h2>
 
 		<h3>[method:void load]()</h3>
 		<p>
-			This method needs to be implement by all concrete loaders. It holds the logic for loading the asset from the backend.
+			该方法需要被所有具体的加载器来实现。它包含了从后端加载资产的逻辑。
 		</p>
 
 		<h3>[method:Promise loadAsync]( [param:String url], [param:Function onProgress] )</h3>
 		<p>
-		[page:String url] — A string containing the path/URL of the file to be loaded.<br />
-		[page:Function onProgress] — (optional) A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, that contains .[page:Integer total] and .[page:Integer loaded] bytes.<br />
+		[page:String url] — 一个字符串，包含要加载的文件的路径/URL。<br />
+		[page:Function onProgress] — （可选）加载过程中将会被调用的函数。参数将是一个XMLHttpRequest实例，其包含了 .[page:Integer total] （总）字节数和 .[page:Integer loaded] （已加载）字节数。<br />
 		</p>
 		<p>
-		This method is equivalent to [page:.load], but returns a [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promise].
+		该函数等效于[page:.load]，但返回的是一个 [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promise]。
 		</p>
 		<p>
-		[page:Function onLoad] is handled by [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/resolve Promise.resolve] and [page:Function onError] is handled by [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/reject Promise.reject].
+		[page:Function onLoad] 由 [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/resolve Promise.resolve] 处理，而 [page:Function onError] 则由 [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/reject Promise.reject] 处理。
 		</p>
 
 		<h3>[method:void parse]()</h3>
 		<p>
-			This method needs to be implement by all concrete loaders. It holds the logic for parsing the asset into three.js entities.
+			该方法需要被所有具体的加载器来实现。它包含了解析资产到 three.js 实体的逻辑。
 		</p>
 
 		<h3>[method:Loader setCrossOrigin]( [param:String crossOrigin] )</h3>
 		<p>
-			[page:String crossOrigin] — The crossOrigin string to implement CORS for loading the url from a different domain that allows CORS.
+			[page:String crossOrigin] — crossOrigin字符串用于实现CORS，以从允许CORS的其它域加载url。
 		</p>
 
 		<h3>[method:Loader setPath]( [param:String path] )</h3>
 		<p>
-			[page:String path] — Set the base path for the asset.
+			[page:String path] — 设置资产的基本路径。
 		</p>
 
 		<h3>[method:Loader setResourcePath]( [param:String resourcePath] )</h3>
 		<p>
-			[page:String resourcePath] — Set the base path for dependent resources like textures.
+			[page:String resourcePath] — 设置独立资源（如纹理贴图）的基本路径。
 		</p>
 
 		<h3>[method:Loader setRequestHeader]( [param:Object requestHeader] )</h3>
 		<p>
-			[page:object requestHeader] - key: The name of the header whose value is to be set. value: The value to set as the body of the header.<br /><br />
+			[page:object requestHeader] - key: 要设置header的名称。 value：要设置header的值。<br /><br />
 
-			Set the [link:https://developer.mozilla.org/en-US/docs/Glossary/Request_header request header] used in HTTP request.
+			设置在 HTTP 请求中使用的 [link:https://developer.mozilla.org/en-US/docs/Glossary/Request_header request header]（请求头）。
 		</p>
 
-		<h2>Source</h2>
+		<h2>源码</h2>
 
 		<p>
 			[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]