python
diff --git a/‎library/stdtypes.po
Lines changed: 4 additions & 2 deletions b/‎library/stdtypes.po
Lines changed: 4 additions & 2 deletions
@@ -360,6 +360,8 @@ msgid ""
 ":keyword:`not in`, are supported by types that are :term:`iterable` or "
 "implement the :meth:`__contains__` method."
 msgstr ""
+":keyword:`in` と :keyword:`not in` という構文上で同じ優先度を持つ演算子がさらに 2 つあり、 "
+":term:`iterable` または :meth:`__contains__` を実装した型でサポートされています。"
 
 #: ../../library/stdtypes.rst:206
 msgid "Numeric Types --- :class:`int`, :class:`float`, :class:`complex`"
@@ -1647,15 +1649,15 @@ msgstr "``s.clear()``"
 
 #: ../../library/stdtypes.rst:1072
 msgid "removes all items from *s* (same as ``del s[:]``)"
-msgstr ""
+msgstr "*s* から全ての要素を取り除きます (``del s[:]`` と同じ)"
 
 #: ../../library/stdtypes.rst:1075
 msgid "``s.copy()``"
 msgstr "``s.copy()``"
 
 #: ../../library/stdtypes.rst:1075
 msgid "creates a shallow copy of *s* (same as ``s[:]``)"
-msgstr ""
+msgstr "*s* の浅いコピーを作成します (``s[:]`` と同じ)"
 
 #: ../../library/stdtypes.rst:1078
 msgid "``s.extend(t)`` or ``s += t``"