fix: tranlsate descriptor as 描述器

Author: xchux

library/asyncio-eventloop.po

@@ -2580,14 +2580,14 @@ msgstr ""
 
 #: ../../library/asyncio-eventloop.rst:1837
 msgid "Watch a file descriptor for read events"
-msgstr "監聽檔案描述子以進行讀取事件"
+msgstr "監聽檔案描述器以進行讀取事件"
 
 #: ../../library/asyncio-eventloop.rst:1839
 msgid ""
 "Wait until a file descriptor received some data using the :meth:`loop."
 "add_reader` method and then close the event loop::"
 msgstr ""
-"使用 :meth:`loop.add_reader` 方法等待檔案描述子接收到某些資料，然後關閉事件迴"
+"使用 :meth:`loop.add_reader` 方法等待檔案描述器接收到某些資料，然後關閉事件迴"
 "圈： ::"
 
 #: ../../library/asyncio-eventloop.rst:1877