waning
n. (月亮)渐亏的；逐渐减弱或变小的
sp. 动词wane的现在分词形式.
近义词：waxing，
英英释义
Noun
- a gradual decrease in magnitude or extent;
"the waning of his enthusiasm was obvious" "the waxing and waning of the moon"
Adjective
- (of the Moon) pertaining to the period during which the visible surface of the moon decreases;
"after full moon comes the waning moon"