But the outbreak of April third and fourth, nineteen seventy-four, set a national record.

VOA: special.2010.05.11

So, they had the ratio of two to one, which gave them the octave, and three to two, which gave them the fifth, and four to three, which gave them the fourth.

他们发现,八度音程中,呈现的是二比一的比例,而五度音程中呈现三比二的比例,在四度音程中则呈现四比三的比例

耶鲁公开课 - 聆听音乐课程节选

By the thirty-fourth week, it could remember the sound for four weeks.

VOA: special.2010.11.30

This was on May twenty-fourth,eighteen forty-four.

VOA: special.2009.02.22

This was the fourth of six matches being played in this special round-robin tournament in the United States featuring four top foreign clubs.

VOA: standard.2009.07.25