Translate library/importLib (#966)

* interpret one of the purpose part in importLib

* fix the name format of "import"

* Apply suggestions from code review

Fix the statements of translation

Co-authored-by: Wei-Hsiang (Matt) Wang <mattwang44@gmail.com>

---------

Co-authored-by: Wei-Hsiang (Matt) Wang <mattwang44@gmail.com>

Author: winniepopu

library/importlib.po

@@ -32,7 +32,7 @@ msgstr "簡介"
 
 #: ../../library/importlib.rst:20
 msgid "The purpose of the :mod:`importlib` package is three-fold."
-msgstr ""
+msgstr ":mod:`importlib` 的目的可分為三個部分。"
 
 #: ../../library/importlib.rst:22
 msgid ""
@@ -43,6 +43,9 @@ msgid ""
 "to comprehend than one implemented in a programming language other than "
 "Python."
 msgstr ""
+"第一是提供 Python 原始碼中 :keyword:`import` 陳述式的實作（因此，也延伸到 :"
+"func:`__import__` 函式）。這讓 :keyword:`!import` 實作可以移植到任何 Python "
+"直譯器。同時，這也提供了一個比用其他程式語言實作更容易理解的版本。 "
 
 #: ../../library/importlib.rst:29
 msgid ""