diff --git a/extending/building.po b/extending/building.po
index e638c4f94d..83ef47cbff 100644
--- a/extending/building.po
+++ b/extending/building.po
@@ -20,13 +20,15 @@ msgstr ""
 
 #: ../../extending/building.rst:7
 msgid "Building C and C++ Extensions"
-msgstr ""
+msgstr "建立 C 與 C++ 擴充套件"
 
 #: ../../extending/building.rst:9
 msgid ""
 "A C extension for CPython is a shared library (e.g. a ``.so`` file on Linux, "
 "``.pyd`` on Windows), which exports an *initialization function*."
 msgstr ""
+"一個 CPython 的 C 擴充套件是一個共用函式庫（例如在 Linux 上的 ``.so`` 檔案，"
+"在 Windows 上的 ``.pyd``），會匯出一個\\ *初始化函式*。"
 
 #: ../../extending/building.rst:12
 msgid ""