<h3 style="text-align: center"><b>Mr.D<font color="#ed2308">ir</font>t goes out with a b<font color="#ed2308">ir</font>d.</b></h3><div style="text-align: center;"><b>德特先生带着一只小鸟出门。（小鸟飞走了）</b></div> <h3 style="text-align: center"><b>He runs across th<font color="#ed2308">ir</font>teen hills. </b></h3><div style="text-align: center;"><b>他追着小鸟翻过13座山。</b></div> <h3 style="text-align: center"><b>He runs over th<font color="#ed2308">ir</font>ty rivers. </b></h3><div style="text-align: center;"><b>跨过30条河。</b></div> <h3 style="text-align: center"><b>He runs through th<font color="#ed2308">ir</font>ty trees. </b></h3><div style="text-align: center;"><b>穿过30棵树。</b></div> <h3 style="text-align: center"><b>He runs over th<font color="#ed2308">ir</font>teen umbrellas. </b></h3><div style="text-align: center;"><b>越过13把伞。</b></div> <h3 style="text-align: center"><b>He runs under th<font color="#ed2308">ir</font>teen shirts. </b></h3><div style="text-align: center;"><b>还从13件衬衫下跑过。</b></div> <h3 style="text-align: center"><b>And here he is, d<font color="#ed2308">ir</font>ty and th<font color="#ed2308">ir</font>sty.</b></h3><div style="text-align: center;"><b>终于到了，德特先生又脏又渴。</b></div>