In the fifteenth century, a greenhorn was a young cow or ox whose horns had not yet developed.

VOA: special.2010.05.23

They can push down the thirteenth partial and bring up the fifteenth and thereby change the sound of a clarinet into a French horn.

压低第十三分音,或者提高第十五分音,从而将单簧管的声音变成圆号的

耶鲁公开课 - 聆听音乐课程节选

So, initially they came up with four lines and then eventually five and even six, and then they went back to five by the fifteenth century.

那么,他们最初提出的是四条线,但是最终却是五条线,甚至六条线,然后在十五世纪又回到了五条线

耶鲁公开课 - 聆听音乐课程节选

Her class at Smith College was to gather for the fifteenth anniversary of the graduation.

VOA: special.2009.10.18

This is the pulse of music and music theorists ever since the late fifteenth century from music theory Francinus Gafurius on we could go all the way back then have said that the pulse in music is basically at the same tempo as the human pulse which comes out to be about oh, we'll say seventy-two beats if you will, pulses, per minute.

这是音乐的脉搏,从十五世纪晚期到现在的音乐理论家们,像弗朗西斯·加福瑞,我们回到那个年代,那时就曾说过,音乐的律动,和人类的脉搏节奏基本一致,就是说相当于,我们说如果是你的脉搏的话,每分钟七十二下左右

耶鲁公开课 - 聆听音乐课程节选

For example,native traditions of pottery in Mexico changed greatly in the fifteenth century.

VOA: special.2009.09.09

This year is the fifteenth celebration of the event.

VOA: special.2010.04.05

Finally, there was the Fifteenth Amendment.

VOA: special.2010.02.04

September fifteenth was chosen as the starting date because it is the anniversary of independence for five Latin American countries.

VOA: special.2009.09.18

From May fifteenth till August twenty-third, the Guggenheim in New York will present "Frank Lloyd Wright: From Within Outward."

VOA: special.2009.04.06

The Lehman Brothers bankruptcy on September fifteenth was a shock to the system, but not the only one.

VOA: special.2009.09.18

The Democracy Video Challenge was launched last year at the United Nations on September fifteenth, International Democracy Day.

VOA: special.2009.10.02

Then, on the night of February fifteenth, a powerful explosion shook the battleship Maine in Havana harbor.

VOA: special.2010.07.08

He would leave the fort on April fifteenth if the Confederates made no hostile act against Fort Sumter or against the United States flag.

VOA: special.2009.08.06

Anderson told Fox that the last of the food would be gone on April fifteenth.

VOA: special.2009.08.06

He wrote plays and poems during the late fifteenth and early sixteenth centuries.

VOA: special.2010.01.13

On June fifteenth, the election was held for delegates to the constitutional convention.

VOA: special.2009.05.21

The Fourteenth and Fifteenth Amendments were supposed to protect their rights.

VOA: special.2010.02.04

For example,Paolo Uccello's fifteenth century work, "The Battle of San Romano."

VOA: special.2010.06.23

On Saturday,October fifteenth, three men arrived to join the group.

VOA: special.2009.06.18

The official Hispanic Heritage Month celebration ends on October fifteenth.

VOA: special.2009.09.18

On May fifteenth, just seventeen days after leaving New York, Captain Creesy wrote this in the Flying Cloud's log: "We have passed the Equator in two days less time than ever before.

VOA: special.2009.12.23