diff --git a/18/11.txt b/18/11.txt
index 4c7caae..6f233bf 100644
--- a/18/11.txt
+++ b/18/11.txt
@@ -27,9 +27,13 @@
 		"title": "各样象牙的器皿",
 		"body": "”各样象牙制成的器皿“"
 	},
+	{
+		"title": "象牙",
+		"body": "一种美丽坚硬的白色材料，人们从大象或海象等大型动物的长牙或牙齿中获取。另译: \"长牙\"或\"宝贵的动物牙齿\"(参:translate_unknown)\n"
+	},
 	{
 		"title": "汉白玉",
-		"body": ""
+		"body": "用于建筑的宝石（translate_unknown)）"
 	},
 	{
 		"title": "肉桂",