Add more translations of library/io (#859)

* Add more translations of library/io

* Fix the issues according to reviewer's feedback

Author: cschan1828

library/io.po

@@ -1084,24 +1084,28 @@ msgstr ""
 
 #: ../../library/io.rst:631
 msgid "Raw File I/O"
-msgstr ""
+msgstr "原始檔案 I/O"
 
 #: ../../library/io.rst:635
 msgid ""
 "A raw binary stream representing an OS-level file containing bytes data.  It "
 "inherits from :class:`RawIOBase`."
 msgstr ""
+"一個代表包含位元組資料的 OS 層級檔案的原始二進制串流。它繼承自 :class:"
+"`RawIOBase`。"
 
 #: ../../library/io.rst:638
 msgid "The *name* can be one of two things:"
-msgstr ""
+msgstr "*name* 可以是兩種事物之一："
 
 #: ../../library/io.rst:640
 msgid ""
 "a character string or :class:`bytes` object representing the path to the "
 "file which will be opened. In this case closefd must be ``True`` (the "
 "default) otherwise an error will be raised."
 msgstr ""
+"代表將要打開的檔案路徑的一個字元串或 :class:`bytes` 物件。在這種情況下，"
+"closefd 必須是 ``True`` （預設值），否則將引發錯誤。"
 
 #: ../../library/io.rst:643
 msgid ""