三和弦是由三个音高配置成的，你们可选取第一，第三和第五个音。

And we talked about a triad being a configuration of three pitches where you take the first, the third and the fifth.

youdao

婚宴根据个人喜好而选取，例如喜欢高档豪华的可选择五星级酒店。

Wedding banquet sur personal favour but selection, the for instance likes to be upscale luxury of can select a five-star cabaret.

youdao

可选项。要选取字符的长度。必须为数字。

Optional. How many characters to extract. Must be a numeric value.

youdao

And we talked about a triad being a configuration of three pitches where you take the first, the third and the fifth.

三和弦是由三个音高配置成的，你们可选取第一，第三和第五个音。

耶鲁公开课 - 聆听音乐课程节选