4周搞定2000+托福核心词
accent = ac(一再) + cent(唱歌) = 着重唱→重音
accentuate = ac(一再) + cent(唱歌) + uate(表动词) = 一再唱出→强调
accumulation = ac(一再) + cumul(堆积) + ate(使) + ion(表名词) = 一再使堆积起来→积累
cumulative = cumul(堆积) + ate(表动词) + ive(...的) = 堆积的
abbrevate = ab(表加强) + brev(短) + ate(表动词) = 缩写
accelerate = ac(使) + celer(快) + ate(表动词) = 加快
一再地堆积起来→积累
accumulate
常考释义
A stream deposits its sediment in three environments: Alluvial fans and deltas form where stream gradient (angle of incline) suddenly decreases as a stream enters a flat plain, a lake, or the sea; floodplain deposits accumulate on a floodplain adjacent to the stream channel; and channel deposits form in the stream channel itself.
一条河流会在三种环境下发生沉淀：在河流进入平原、湖泊或大海的时候，河流坡度（倾斜的角度）会突然下降，在那些地方会形成冲积扇和三角洲；河漫滩沉积物会堆积在河道附近的漫滩上；河流内部也会形成河道沉积物。
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