[po] auto sync

github-actions[bot] · github-actions[bot] · commit 2551a8285acb · 2020-08-30T11:27:39.000Z
diff --git a/library/sys.po b/library/sys.po
@@ -2080,26 +2080,29 @@ msgid ""
 "function to be used for the new scope, or ``None`` if the scope shouldn't be"
 " traced."
 msgstr ""
+"每次进入 trace 函数的新本地作用域，都会调用 trace 函数（ *event* 会被设置为 ``'call'`` "
+"），它应该返回一个引用，指向即将用在新作用域上的本地跟踪函数；如果不需要跟踪当前的作用域，则返回 ``None``。"
 
 #: ../../library/sys.rst:1301
 msgid ""
 "The local trace function should return a reference to itself (or to another "
 "function for further tracing in that scope), or ``None`` to turn off tracing"
 " in that scope."
 msgstr ""
+"本地跟踪函数应返回对自身的引用（或对另一个函数的引用，用来在其作用范围内进行进一步的跟踪），或者返回 ``None`` 来停止跟踪其作用范围。"
 
 #: ../../library/sys.rst:1305
 msgid ""
 "If there is any error occurred in the trace function, it will be unset, just"
 " like ``settrace(None)`` is called."
-msgstr ""
+msgstr "如果跟踪函数出错，则该跟踪函数将被取消设置，类似于调用 ``settrace(None)``。"
 
 #: ../../library/sys.rst:1311
 msgid ""
 "A function is called (or some other code block entered).  The global trace "
 "function is called; *arg* is ``None``; the return value specifies the local "
 "trace function."
-msgstr ""
+msgstr "表示调用了某个函数（或进入了其他的代码块）。全局跟踪函数将被调用，*arg* 为 ``None``。返回值取决于本地跟踪函数。"
 
 #: ../../library/sys.rst:1322
 msgid "``'line'``"
