4周搞定2000+托福核心词
decayed = de(下面) + cay(落下) + ed(形容词) = 落下→向下掉→衰退的，腐烂的
decay = de(下面) + cay(落下) = 向下掉→衰退
census = cens(判断) + us(表名词) = 查[人口]→普查
cumulus = cumul(堆积) + us(表名词) = 积云
磨下来的东西→碎屑
detritus
常考释义
These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae.
这些无法划分的动物包含一种叫做奇蝦的肉食动物和一种叫做威瓦亚虫的以岩屑和藻类为食的软体动物。
来源于：阅读OFFICIAL5 P3n. 岩屑；碎石【地质】
Detritus usually consists of gravel, sand and clay.
岩屑通常是由砂砾, 沙和粘土组成的。
n. 残余物；残骸<正式>
These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae.
这些无法划分的动物包含一种叫做奇蝦的肉食动物和一种叫做威瓦亚虫的以岩屑和藻类为食的软体动物。
来源于：阅读OFFICIAL5 P3n. 碎屑【生态】
organic detritus from fish and plants
鱼和植物的有机残渣
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