4周搞定2000+托福核心词
unaccustomed = un(表否定) + ac(使) + custom(习惯) + ed(形容词) = 不习惯的
unable = un(表否定) + able(能…的) = 不可避免的
omnipresenent = omni(到处) + pre(预先) + sen(存在) + ent(…的) = 到处都出现→无所不在的
precursor = pre(预先) + curs(跑) + or(人) = 先跑者→先驱
antecedent = ante(前面，先) + ced(行走) + ent(…的) = 在前面行走的→先行的;以前的
conced = con(共同) + ced(行走) = 共同向后走一步→让步
abhorrent = ab(相反) + horr(怕) + ent(…的) = 与之相反令人害怕→可恨的
adjacent = ad(去，往) + jac(扔) + ent(…的) = 扔到旁边的→邻近的
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
没有预先行走过的→空前的
unprecedented
常考释义
The aim was to use a helicopter to move 300 of the breeding centre's tortoises to various locations close to Sierra Negra. This unprecedented effort was made possible by the owners of the 67-metre yacht White Cloud, who provided the Galapagos National Park with free use of their helicopter and its experienced pilot, as well as the logistical support of the yacht, its captain and crew.
目标就是要用直升机来迁移繁殖中心300只乌龟至谢拉·内格拉火山附近的各个地区。这场前所未有的努力在67米长游艇“白云”拥有者们的帮助下得以实现。他们给加拉帕戈斯国家公园提供了免费使用的直升机并配备富有经验的飞行员，同时给予游艇，游艇船长和船员的后勤保障。
来源于：剑雅12-TEST7adj. 无前例的
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