Add more translations of library/io (#752)

* Add more translations of library/io

* Revise the translations of library/io

* Apply suggestions from code review

---------

Co-authored-by: Wei-Hsiang (Matt) Wang <[email protected]>

Author: cschan1828

library/io.po

@@ -652,63 +652,76 @@ msgstr "為了方便起見，允許多次呼叫這個方法；然而，只有第
 
 #: ../../library/io.rst:362
 msgid "``True`` if the stream is closed."
-msgstr ""
+msgstr "如果串流已關閉，則為 ``True``。"
 
 #: ../../library/io.rst:366
 msgid ""
 "Return the underlying file descriptor (an integer) of the stream if it "
 "exists.  An :exc:`OSError` is raised if the IO object does not use a file "
 "descriptor."
 msgstr ""
+"如果串流存在，則回傳其底層的檔案描述器（一個整數）。如果 IO 物件不使用檔案描"
+"述器，則會引發一個 :exc:`OSError` 例外。"
 
 #: ../../library/io.rst:372
 msgid ""
 "Flush the write buffers of the stream if applicable.  This does nothing for "
 "read-only and non-blocking streams."
 msgstr ""
+"如果適用，清空串流的寫入緩衝區。對於唯讀和非阻塞串流，此操作不會執行任何操"
+"作。"
 
 #: ../../library/io.rst:377
 msgid ""
 "Return ``True`` if the stream is interactive (i.e., connected to a terminal/"
 "tty device)."
-msgstr ""
+msgstr "如果串流是互動式的（即連接到終端機/tty 設備），則回傳 ``True``。"
 
 #: ../../library/io.rst:382
 msgid ""
 "Return ``True`` if the stream can be read from. If ``False``, :meth:`!read` "
 "will raise :exc:`OSError`."
 msgstr ""
+"如果串流可以被讀取，則回傳 ``True``。如果是 ``False``，:meth:`!read` 將會引"
+"發 :exc:`OSError` 例外。"
 
 #: ../../library/io.rst:387
 msgid ""
 "Read and return one line from the stream.  If *size* is specified, at most "
 "*size* bytes will be read."
-msgstr ""
+msgstr "從串流讀取並回傳一行。如果指定了 *size*，則最多讀取 *size* 個位元組。"
 
 #: ../../library/io.rst:390
 msgid ""
 "The line terminator is always ``b'\\n'`` for binary files; for text files, "
 "the *newline* argument to :func:`open` can be used to select the line "
 "terminator(s) recognized."
 msgstr ""
+"對於二進位檔案，行結束符總是 ``b'\\n'``；對於文字檔案，可以使用 :func:`open` "
+"函式的 *newline* 引數來選擇識別的行結束符號。"
 
 #: ../../library/io.rst:396
 msgid ""
 "Read and return a list of lines from the stream.  *hint* can be specified to "
 "control the number of lines read: no more lines will be read if the total "
 "size (in bytes/characters) of all lines so far exceeds *hint*."
 msgstr ""
+"從串流讀取並回傳一個含有一或多行的 list。可以指定 *hint* 來控制讀取的行數：如"
+"果到目前為止所有行的總大小（以位元組/字元計）超過 *hint*，則不會再讀取更多"
+"行。"
 
 #: ../../library/io.rst:400
 msgid ""
 "*hint* values of ``0`` or less, as well as ``None``, are treated as no hint."
-msgstr ""
+msgstr "*hint* 值為 ``0`` 或更小，以及 ``None``，都被視為沒有提供 hint。"
 
 #: ../../library/io.rst:403
 msgid ""
 "Note that it's already possible to iterate on file objects using ``for line "
 "in file: ...`` without calling :meth:`!file.readlines`."
 msgstr ""
+"請注意，已經可以使用 ``for line in file: ...`` 在檔案物件上進行疊代，而不一定"
+"需要呼叫 :meth:`!file.readlines`。"
 
 #: ../../library/io.rst:408
 msgid ""