Translate chinese to english

README.md

@@ -133,9 +133,9 @@ block code
 ---
 
 
-|表头1|表头2
+|th1|th2
 |------
-|表格单元|表格单元
-|表格单元|表格单元
+|td|td
+|td|td
 
 ```

test_tomd.py

@@ -36,18 +36,18 @@ string = """
 <table>
 <thead>
 <tr>
-<th>表头1</th>
-<th>表头2</th>
+<th>th1</th>
+<th>th2</th>
 </tr>
 </thead>
 <tbody>
 <tr>
-<td>表格单元</td>
-<td>表格单元</td>
+<td>td</td>
+<td>td</td>
 </tr>
 <tr>
-<td>表格单元</td>
-<td>表格单元</td>
+<td>td</td>
+<td>td</td>
 </tr></tbody></table>
 """