1.allowance n.允许( permission);津贴,补助费(subsidy)
词根记忆:来自allow(矿允许),允许拿到的或省下的钱_津贴,补助费
例:financial allowances财政津贴
2.allude v.(to)间接提到,暗指( to make indirect reference)
词根记忆:aI+lud(嬉笑)+e--在嬉笑中说--间接提到
例:The author alludes to the well-established nature of the concept of individual rights in the Anglo-Saxon tradition.
派生词:allusive(a.暗指的,影射)
同根词:ludicrous(a.可笑的,滑稽的):elude(矿躲避)
3.alluvial a.冲积的,淤积的( made of sand, earth left by rivers or floods, esp. ina delta)
例:alluvial gold冲积金矿
4.ally v.(使)结盟(to unite)n.同盟者,同盟国(person, country, that joined with another in order to give help and support)
例:During World War ll,Great Britain allied with the United States.
派生词:alliance(n.结盟,联盟)
5.alpha n.希腊语字母表的第一个字母(A,a)
词根记忆:发音记忆
6.alter v.改变,变更(to change)
本身为词根:改变
例:The period of an organisms biological clock can be altered by environmental factors.
派生词:alteration(n.改变,变更);alternative(a.二者择一的)
7.alternate a.交替的,更迭的((of two things) happening or foltowing one after the other regularly);v.交替,轮流(to cause to occur by turns)
词根记忆:alter(其他)+nate --可以有其他的--交替的
例:To maintain the nutrients in the soil, corn and soybeans are often planted in a field in altemate years.
8.alternative a.轮流的,交替的( atternate);两者(或两者以上)择一的(offering or expressing a choice);n.二中择一;供替代的选择(something which can be chosen instead)
词根记忆:alter(改变状态,其他的)+native(…的)--其他的一两者择一的
例:For most commuters who use the subway system, there is no practical attematwe public transportation available.
派生词:alternatively(ad.非此即彼;二者择一地)
同根词:alterable(a.可改变的)
9.altitude n.高度( height above sea-level)
词根记忆:alt(高)+itude--高度
例:The plane was flying at an altitude of 2,000 feet.
10.altruism n.利他主义,无私(unsetfish devotion to the welfare of others)
词根记忆:altru(其他)+ism(主义)--利他主义
例:Altruism means doing good things simply because the good things are worth doing.
派生词:altruistic(a.利他的):altruist(n.利他主义者)
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