Both melody and bass could have had a triplet but he chose to have the duple in the bass--the triple up above.

旋律和低音部都可以运用三连音,但是他选择低音两拍,高音三拍

耶鲁公开课 - 聆听音乐课程节选

And if you hear a triple, your step is this: down-up-up, down-up-up, down-up-up, down-up-up.

听到三拍子时,这样做,强,弱,弱

耶鲁公开课 - 聆听音乐课程节选

It's kind of--maybe a little shape over to the right down, up, down, up, that kind of thing 543 00:27:52,506 --> 00:27:55,776 and for triple we do down, over, up down, over, up, down, over, up. Okay?

这可能做得不太像,下,上,下,上,那种手势三拍子的时候我们就是下,平,上,下,平,上,下,平,上

耶鲁公开课 - 聆听音乐课程节选