detritus /dɪˈtraɪtəs/ noun Learner's definition of DETRITUS
[noncount] formal
: the pieces that are left when something breaks, falls apart, is destroyed, etc.碎片；屑粒 -
the detritus of ancient civilizations古代文明的遗迹
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As he packed, he sifted through the detritus of a failed relationship.收拾行装时，他细细回顾了这段失败的恋情留下的点点滴滴。