[po] auto sync

github-actions[bot] · github-actions[bot] · commit ef47d6c565e1 · 2021-02-12T06:58:47.000Z
diff --git a/library/email.headerregistry.po b/library/email.headerregistry.po
@@ -374,19 +374,22 @@ msgid ""
 " per :rfc:`2045`, then the header object will have non-``None`` values for "
 "the following attributes:"
 msgstr ""
+"实际上 :mailheader:`MIME-Version` 标头只有一个有效的值，即 ``1.0``。 "
+"为了将来的扩展，这个标头类还支持其他的有效版本号。 如果一个版本号是 :rfc:`2045` 的有效值，则标头对象的以下属性将具有不为 ``None``"
+" 的值:"
 
 #: ../../library/email.headerregistry.rst:249
 msgid ""
 "The version number as a string, with any whitespace and/or comments removed."
-msgstr ""
+msgstr "字符串形式的版本号。 任何空格和/或注释都会被移除。"
 
 #: ../../library/email.headerregistry.rst:254
 msgid "The major version number as an integer"
-msgstr ""
+msgstr "整数形式的主版本号"
 
 #: ../../library/email.headerregistry.rst:258
 msgid "The minor version number as an integer"
-msgstr ""
+msgstr "整数形式的次版本号"
 
 #: ../../library/email.headerregistry.rst:263
 msgid ""
@@ -395,40 +398,46 @@ msgid ""
 "take a list of supplemental parameters, which have a common format. This "
 "class serves as a base for all the MIME headers that take parameters."
 msgstr ""
+"MIME 标头都以前缀 'Content-' 打头。 每个特定标头都具有特定的值，其描述在该标头的类之中。 "
+"有些也可以接受一个具有通用格式的补充形参形表。 这个类被用作所有接受形参的 MIME 标头的基类。"
 
 #: ../../library/email.headerregistry.rst:270
 msgid "A dictionary mapping parameter names to parameter values."
-msgstr ""
+msgstr "一个将形参名映射到形参值的字典。"
 
 #: ../../library/email.headerregistry.rst:275
 msgid ""
 "A :class:`ParameterizedMIMEHeader` class that handles the :mailheader"
 ":`Content-Type` header."
 msgstr ""
+"处理 :mailheader:`Content-Type` 标头的  :class:`ParameterizedMIMEHeader` 类。"
 
 #: ../../library/email.headerregistry.rst:280
 msgid "The content type string, in the form ``maintype/subtype``."
-msgstr ""
+msgstr "``maintype/subtype`` 形式的内容类型字符串。"
 
 #: ../../library/email.headerregistry.rst:289
 msgid ""
 "A :class:`ParameterizedMIMEHeader` class that handles the :mailheader"
 ":`Content-Disposition` header."
 msgstr ""
+"处理 :mailheader:`Content-Disposition` 标头的 :class:`ParameterizedMIMEHeader` 类。"
 
 #: ../../library/email.headerregistry.rst:294
 msgid "``inline`` and ``attachment`` are the only valid values in common use."
-msgstr ""
+msgstr "``inline`` 和 ``attachment`` 是仅有的常用有效值。"
 
 #: ../../library/email.headerregistry.rst:299
 msgid "Handles the :mailheader:`Content-Transfer-Encoding` header."
-msgstr ""
+msgstr "处理 :mailheader:`Content-Transfer-Encoding` 标头。"
 
 #: ../../library/email.headerregistry.rst:303
 msgid ""
 "Valid values are ``7bit``, ``8bit``, ``base64``, and ``quoted-printable``.  "
 "See :rfc:`2045` for more information."
 msgstr ""
+"可用的有效值为 ``7bit``, ``8bit``, ``base64`` 和 ``quoted-printable``。 更多信息请参阅 "
+":rfc:`2045`。"
 
 #: ../../library/email.headerregistry.rst:312
 msgid ""
