This course is the one of the basic courses in animal science. This is a prerequisite course for animal genetic and animal breeding and is also an instrumental course of animal science experiments.

本课程在动物科学学科中是一门专业基础课，是为进一步学习动物遗传及动物育种学的先修课程，同时也是指导动物科学试验的工具课。

youdao

Well, yes, with opera of course, but the other eighty percent is purely instrumental music.

没错，歌剧中是有歌词的，但其他百分之八十的古典乐都是纯器乐。

youdao

Over the course of 45 minutes, the Ninja Tune DJ/producer laces tendizzying instrumental tracks with a colorful palette of sounds, rhythmsand musical ideas.

在这45分钟的听觉旅程中，Ninja Tune 厂牌旗下的这位DJ/制作人用多姿多彩的声响、旋律和音乐概念，奉献出十首令人耳晕目眩的曲目。

youdao

Well, yes, with opera of course, but the other eighty percent is purely instrumental music.

没错,歌剧中是有歌词的,但其他百分之八十的古典乐都是纯器乐

耶鲁公开课 - 聆听音乐课程节选

MoveOn, of course, was instrumental in tipping the Congress toward the Democrats in 2006 and in nominating Barack Obama.

FORBES: Ending Dunder Mifflin: A 21st-Century Way To Save America $250 Billion A Year