Octachord
n. 八弦琴, 八度音列
🗣️ 情景例句
Merry Christmas, Mrs. Tom!
汤姆夫人，圣诞快乐！
What does he do?
他是干什么的？
Because I've just retired.I want to buy a small house in the country.
因为我刚退休。我想在乡下买幢小房子。