[po] auto sync

github-actions[bot] · github-actions[bot] · commit 646f88c4bf2a · 2020-09-02T16:33:32.000Z
diff --git a/library/sys.po b/library/sys.po
@@ -2412,6 +2412,7 @@ msgid ""
 "the preferred way to do this is to explicitly save the previous stream "
 "before replacing it, and restore the saved object."
 msgstr ""
+"如果实际文件已经被覆盖成一个损坏的对象了，那它也可用于将实际文件还原成能正常工作的文件对象。但是，本过程的最佳方法应该是，在原来的流被替换之前就显式地保存它，并使用这一保存的对象来还原。"
 
 #: ../../library/sys.rst:1505
 msgid ""
@@ -2420,11 +2421,14 @@ msgid ""
 "``None``. It is usually the case for Windows GUI apps that aren't connected "
 "to a console and Python apps started with :program:`pythonw`."
 msgstr ""
+"某些情况下的 ``stdin``、``stdout`` 和 ``stderr`` 以及初始值 ``__stdin__``、``__stdout__`` "
+"和 ``__stderr__`` 可以是 ``None``。通常发生在未连接到控制台的 Windows GUI app 中，以及在用 "
+":program:`pythonw` 启动的 Python app 中。"
 
 #: ../../library/sys.rst:1513
 msgid ""
 "A :term:`named tuple` holding information about the thread implementation."
-msgstr ""
+msgstr "一个 :term:`具名元组 <named tuple>`，包含线程实现的信息。"
 
 #: ../../library/sys.rst:1521
 msgid ":const:`name`"
@@ -2484,21 +2488,25 @@ msgid ""
 "traceback information is suppressed and only the exception type and value "
 "are printed."
 msgstr ""
+"当该变量值设置为整数，在发生未处理的异常时，它将决定打印的回溯信息的最大层级数。默认为 ``1000``。当将其设置为 ``0`` 或小于 "
+"0，将关闭所有回溯信息，并且只打印异常类型和异常值。"
 
 #: ../../library/sys.rst:1551
 msgid "Handle an unraisable exception."
-msgstr ""
+msgstr "处理一个无法抛出的异常。"
 
 #: ../../library/sys.rst:1553
 msgid ""
 "Called when an exception has occurred but there is no way for Python to "
 "handle it. For example, when a destructor raises an exception or during "
 "garbage collection (:func:`gc.collect`)."
 msgstr ""
+"它会在发生了一个异常但 Python 没有办法处理时被调用。例如，当一个析构器引发了异常，或在垃圾回收 (:func:`gc.collect`) "
+"期间引发了异常。"
 
 #: ../../library/sys.rst:1557
 msgid "The *unraisable* argument has the following attributes:"
-msgstr ""
+msgstr "*unraisable* 参数具有以下属性:"
 
 #: ../../library/sys.rst:1559
 msgid "*exc_type*: Exception type."
