taking place or progressing slowly or by degrees
(发生或发展)缓慢地;逐渐地
-
the gradual introduction of new methods .新方法的逐渐引入。
(of a slope)not steep or abrupt
(坡度)不陡峭的。
a response sung or recited between the Epistle and Gospel in the Mass
(西方基督教会弥撒中在《使徒书信》和《福音书》之间)唱和(或应答)短诗。
a book of plainsong for the Mass
弥撒的素歌集。
"late Middle English: from medieval Latin