4周搞定2000+托福核心词
decay = de(下面) + cay(落下) = 向下掉→衰退
demand = de(下面) + mand(命令) = 向下传达的命令→要求
decay = de(下面) + cay(落下) = 向下掉→衰退
accomplied = ac(加强) + com(全部) + pli(满) + ed(形容词) = 全部弄满的→技艺高超的，熟练的
accredited = ac(一再) + cred(相信) + it(...的) + ed(形容词) = 一再相信的→可信任的
落下→向下掉→衰退的，腐烂的
decayed
常考释义
And therefore, if that ever had been present on Earth, it would have decayed ages ago.
因此，如果它曾经在地球上存在过，也早就衰变了。
来源于：听力OFFICIAL8 L4adj. 坍塌的；蛀坏的
The tooth is badly decayed.
这颗牙蛀得厉害。
Dead leaves, branches, and other plant parts, as well as the wastes and bodies of rain forest animals, barely reach the forest floor before they are rapidly decayed by abundant decomposers—bacterial and fungal.
死叶、树枝等植物部分，以及热带雨林动物的废物和尸体，几乎还没有到达森林的地面，就被大量的细菌和真菌腐生物迅速分解。
来源于：阅读OFFICIAL53 P2adj. 腐烂的，腐败的，腐朽的
Eventually the cemetery walls began to collapse, spilling decayed corpses out onto the pavements.
最后公墓的墙开始倒塌，已经腐烂的尸体散在了人行道上。
adj. 衰败的，衰落的，衰弱的，衰退的
Barely-liveable benefits systems have decayed and been withdrawn.
勉强让人得以维生的福利制度已经衰退并被取消。
Gradually, Venice’s role as a storage and distribution center for spices and silk, dyes cotton, and gold decayed, and by the early seventeenth century Venice had lost its monopoly in markets such as France and southern Germany.
逐渐地，威尼斯作为香料、丝绸、染料棉和黄金的储存与配销中心的作用衰退了，到17世纪早期，威尼斯彻底失去了它在诸如法国和德国南部市场上的垄断地位。
来源于：阅读OFFICIAL25 P2And therefore, if that ever had been present on Earth, it would have decayed ages ago.
因此，如果它曾经在地球上存在过，也早就衰变了。
来源于：听力OFFICIAL8 L6adj. 没落的；穷困潦倒的
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