diff --git a/MoganSTEMTutorial/11_pinyin.tm b/MoganSTEMTutorial/11_pinyin.tm
new file mode 100644
index 0000000..e55b8e0
--- /dev/null
+++ b/MoganSTEMTutorial/11_pinyin.tm
@@ -0,0 +1,74 @@
+<TeXmacs|2.1.2>
+
+<style|<tuple|beamer|chinese|doc>>
+
+<\body>
+  <\hide-preamble>
+    \;
+  </hide-preamble>
+
+  <screens|<\shown>
+    <tit|\<#7B2C\>11\<#8BB2\>\<#FF1A\>\<#4E2D\>\<#6587\>\<#6587\>\<#6863\>\<#4E0E\>\<#62FC\>\<#97F3\>>
+
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+
+    <\padded-center>
+      <above|\<#597D\>\<#96E8\>\<#77E5\>\<#65F6\>\<#8282\>|h\<#01CE\>o
+      y\<#01D4\> zh\<#012B\> sh\<#00ED\> ji\<#00E9\>>
+    </padded-center>
+
+    \<#597D\>\<#96E8\>\<#77E5\>\<#65F6\>\<#8282\>
+
+    \<#672C\>\<#9875\>\<#5E7B\>\<#706F\>\<#7247\>\<#FF1A\>\<#70B9\>\<#51FB\><strong|<menu|Help|Planet>>\<#FF0C\>\<#70B9\>\<#51FB\><strong|\<#4ECE\>\<#96F6\>\<#5F00\>\<#59CB\>\<#5B66\>\<#58A8\>\<#5E72\>\<#7406\>\<#5DE5\>\<#5957\>\<#4EF6\>>\<#5373\>\<#53EF\>\<#627E\>\<#5230\>\<#3002\>
+
+    <\big-table|<tabular|<tformat|<table|<row|<cell|\<#0101\>>|<cell|<key|a -
+    var>>>|<row|<cell|\<#00E1\>>|<cell|<key|a - var
+    var>>>|<row|<cell|\<#01CE\>>|<cell|<key|a - var var
+    var>>>|<row|<cell|\<#00E0\>>|<cell|<key|a - var var var var>>>>>>>
+      \<#8F93\>\<#5165\>\<#62FC\>\<#97F3\>\<#7684\>\<#5FEB\>\<#6377\>\<#952E\>
+    </big-table>
+
+    \;
+
+    \;
+
+    \;
+  </shown>>
+</body>
+
+<\initial>
+  <\collection>
+    <associate|info-flag|minimal>
+    <associate|page-height|auto>
+    <associate|page-medium|beamer>
+    <associate|page-type|16:9>
+    <associate|page-width|auto>
+    <associate|preamble|false>
+  </collection>
+</initial>
+
+<\references>
+  <\collection>
+    <associate|auto-1|<tuple|?|?>>
+    <associate|auto-2|<tuple|?|?>>
+    <associate|auto-3|<tuple|?|?>>
+    <associate|auto-4|<tuple|1|?>>
+  </collection>
+</references>
+
+<\auxiliary>
+  <\collection>
+    <\associate|idx>
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#6587\>\<#6863\>>|<with|font-family|<quote|ss>|\<#8BED\>\<#8A00\>>|<with|font-family|<quote|ss>|\<#4E2D\>\<#6587\>>>|<pageref|auto-1>>
+
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#63D2\>\<#5165\>>|<with|font-family|<quote|ss>|\<#8BED\>\<#8A00\>>|<with|font-family|<quote|ss>|\<#4E2D\>\<#6587\>>>|<pageref|auto-2>>
+
+      <tuple|<tuple|<with|font-family|<quote|ss>|\<#5E2E\>\<#52A9\>>|<with|font-family|<quote|ss>|\<#58A8\>\<#5BA2\>\<#661F\>\<#7403\>>>|<pageref|auto-3>>
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+    <\associate|table>
+      <tuple|normal|<\surround|<hidden-binding|<tuple>|1>|>
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+      </surround>|<pageref|auto-4>>
+    </associate>
+  </collection>
+</auxiliary>
\ No newline at end of file