Add more translations of library/io (#755)

Author: cschan1828

Diff for: library/io.po

@@ -729,45 +729,52 @@ msgid ""
 "to the position indicated by *whence*, and return the new absolute position. "
 "Values for *whence* are:"
 msgstr ""
+"將串流位置改變到給定的位元組 *offset*，此位置是相對於由 *whence* 指示的位置解"
+"釋的，並回傳新的絕對位置。*whence* 的值可為："
 
 #: ../../library/io.rst:413
 msgid ""
 ":data:`os.SEEK_SET` or ``0`` -- start of the stream (the default); *offset* "
 "should be zero or positive"
 msgstr ""
+":data:`os.SEEK_SET` 或 ``0`` -- 串流的起點（預設值）；*offset* 應為零或正數"
 
 #: ../../library/io.rst:415
 msgid ""
 ":data:`os.SEEK_CUR` or ``1`` -- current stream position; *offset* may be "
 "negative"
-msgstr ""
+msgstr ":data:`os.SEEK_CUR` 或 ``1`` -- 目前串流位置；*offset* 可以是負數"
 
 #: ../../library/io.rst:417
 msgid ""
 ":data:`os.SEEK_END` or ``2`` -- end of the stream; *offset* is usually "
 "negative"
-msgstr ""
+msgstr ":data:`os.SEEK_END` 或 ``2`` -- 串流的結尾；*offset* 通常是負數"
 
 #: ../../library/io.rst:420 ../../library/io.rst:930
 msgid "The :data:`!SEEK_*` constants."
-msgstr ""
+msgstr ":data:`!SEEK_*` 常數。"
 
 #: ../../library/io.rst:423
 msgid ""
 "Some operating systems could support additional values, like :const:`os."
 "SEEK_HOLE` or :const:`os.SEEK_DATA`. The valid values for a file could "
 "depend on it being open in text or binary mode."
 msgstr ""
+"某些作業系統可以支援額外的值，例如 :const:`os.SEEK_HOLE` 或 :const:`os."
+"SEEK_DATA`。檔案的合法值取決於它是以文字模式還是二進位模式開啟。"
 
 #: ../../library/io.rst:430
 msgid ""
 "Return ``True`` if the stream supports random access.  If ``False``, :meth:"
 "`seek`, :meth:`tell` and :meth:`truncate` will raise :exc:`OSError`."
 msgstr ""
+"如果串流支援隨機存取，則回傳 ``True``。如果是 ``False``，則 :meth:`seek`、:"
+"meth:`tell` 和 :meth:`truncate` 會引發 :exc:`OSError`。"
 
 #: ../../library/io.rst:435
 msgid "Return the current stream position."
-msgstr ""
+msgstr "回傳目前串流的位置。"
 
 #: ../../library/io.rst:439
 msgid ""
@@ -777,10 +784,14 @@ msgid ""
 "the contents of the new file area depend on the platform (on most systems, "
 "additional bytes are zero-filled).  The new file size is returned."
 msgstr ""
+"將串流的大小調整為指定的 *size* 位元組（如果沒有指定 *size*，則調整為目前位"
+"置）。目前串流位置不會改變。這種調整可以擴展或縮減當前檔案大小。在擴展的情況"
+"下，新檔案區域的內容取決於平台（在大多數系統上，額外的位元組會被填充為零）。"
+"回傳新的檔案大小。"
 
 #: ../../library/io.rst:446
 msgid "Windows will now zero-fill files when extending."
-msgstr ""
+msgstr "Windows 現在在擴展時會對檔案進行零填充 (zero-fill)。"
 
 #: ../../library/io.rst:451
 msgid ""