简介：Sea and sailboats,Sea and sailboats,
\s\ \s\ \s\ \s\ \s\ \s\,
Sister sang a song.Sister sang a song.
\s\ \s\ \s\ \s\ \s\ \s\,
Big S,little s,letter S is fun.
Sea and sailboats,Sea and sailboats,
\s\ \s\ \s\ \s\ \s\ \s\,
\s\ is the sound of letter "S".
