plainchant
(also `plainsong ) n [U]
medieval type of church music for a number of voices singing together, used in the Anglican and Roman Catholic Churches 素歌(中世纪的宗教合唱曲, 为圣公会及天主教所采用).
🗣️ 情景例句
to spend a weekend with him at his farm.
去他的农场跟他一起渡个周末。
Because hs is thinking of majoring in this subject at the university.