[po] auto sync

github-actions[bot] · github-actions[bot] · commit 51e279ad7c5f · 2021-01-24T00:35:27.000Z
diff --git a/library/email.policy.po b/library/email.policy.po
@@ -131,6 +131,10 @@ msgid ""
 "which implement the hooks that provide the standard behavior and the "
 "backward compatible behavior and features, respectively."
 msgstr ""
+"本文档的第一部分介绍了 :class:`Policy` 的特性，它是一个 :term:`abstract base class`，定义了所有策略对象包括"
+" :const:`compat32` 的共有特性。 这些特性包括一些由 email 包内部调用的特定钩子方法，自定义策略可以重载这些方法以获得不同行为。"
+" 第二部分描述了实体类 :class:`EmailPolicy` 和 "
+":class:`Compat32`，它们分别实现了提供标准行为和向下兼容行为与特性的钩子。"
 
 #: ../../library/email.policy.rst:72
 msgid ""
@@ -139,13 +143,15 @@ msgid ""
 ":class:`Policy` instance that is a copy of the original but with the "
 "specified attributes values changed."
 msgstr ""
+":class:`Policy` 实例是不可变的，但它们可以被克隆，接受与类构造器一致的关键字参数并返回一个新的 :class:`Policy` "
+"实例，新实例是原实例的副本，但具有被改变的指定属性。"
 
 #: ../../library/email.policy.rst:77
 msgid ""
 "As an example, the following code could be used to read an email message "
 "from a file on disk and pass it to the system ``sendmail`` program on a Unix"
 " system:"
-msgstr ""
+msgstr "例如，以下代码可以被用来从一个 Unix 系统的磁盘文件中读取电子邮件消息并将其传递给系统的 ``sendmail`` 程序:"
 
 #: ../../library/email.policy.rst:113
 msgid ""
