diff --git a/.translate/state/pandas_panel.md.yml b/.translate/state/pandas_panel.md.yml
index 4f87853..bfd2700 100644
--- a/.translate/state/pandas_panel.md.yml
+++ b/.translate/state/pandas_panel.md.yml
@@ -1,6 +1,6 @@
-source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+source-sha: 85586e6dee83ed0f91df72d6f703dbd91cdb2e99
+synced-at: "2026-10-12"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 6
-tool-version: 0.25.0
+tool-version: 0.29.4
diff --git a/lectures/pandas_panel.md b/lectures/pandas_panel.md
index 7ca8073..95da282 100644
--- a/lectures/pandas_panel.md
+++ b/lectures/pandas_panel.md
@@ -280,7 +280,7 @@ merged[merged['Country'] == 'Korea']
 
 我们还将把美洲合并为单一大洲——这将使后续可视化效果更好。
 
-为此，我们将使用 `.replace()` 并遍历要替换的大洲值列表
+为此，我们将使用 `.replace()`，并传入要替换的大洲值列表。
 
 ```{code-cell} ipython3
 replace = ['Central America', 'North America', 'South America']