4周搞定2000+托福核心词
fluctuation = fluctu(波浪) + ation(表结果) = 波浪→起伏,波动
accumulation = ac(一再) + cumul(堆积) + ate(使) + ion(表名词) = 一再使堆积起来→积累
advocate = ad(强化) + voc(叫喊) + ate(使) = 增强声音→拥护
使像波浪一样→使波动
fluctuate
常考释义
Later on in the early years of the nineteenth century, when Fort Vancouver became the headquarters of the Hudson's Bay Company, deer populations continued to fluctuate.
此后在19世纪最初几年里,温哥华堡成为哈德逊湾公司的总部,鹿的数量持续波动。
来源于:阅读OFFICIAL4 P1vi. 波动;变动
vt. 使波动;使动摇
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