中途改进

particles.py

@@ -243,4 +243,24 @@ class ElectronUnion():
 class Atom():
     @staticmethod
     def placeholder():
-        return (Electron.placeholder(), Nucleon.placeholder())
+        return (Electron.placeholder(), Nucleon.placeholder(), {})
+    
+    @staticmethod
+    def advanced_placeholder():
+        return (
+            Electron("两只黄鹤鸣翠柳", {}),
+            Nucleon("两只黄鹤鸣翠柳", {"note": [],
+            "translation": "臣子李密陈言：我因命运不好，小时候遭遇到了不幸",
+            "keyword_note": {"险衅":"凶险祸患（这里指命运不好）", "夙":"早时，这里指年幼的时候", "闵":"通'悯'，指可忧患的事", "凶":"不幸，指丧父"}}),
+            {
+                "keydata":{
+                    "note": "笔记",
+                    "keyword_note": "关键词翻译",
+                    "translation": "语句翻译"},
+                "testdata":{
+                    "additional_inf": ["translation", "note"],
+                    "fill_blank_test": ["translation"],
+                    "draw_card_test": ["keyword_note"]
+                },
+                "is_new_activation": 0
+            })