1.barrel n.桶(cask);v.把…装桶(to put or pack sth. in a barrel)
联想记忆:bar(栅栏,障碍)+rel--横木围住的桶
例:World consumption of oil is currently 26 billion barrels a year.
2.barren a.贫瘠的(not productive);(of)没有的,缺乏的(devoid, lacking)
词根记忆:bar(栅栏,障碍)+ren--阻碍发展--没有的,缺乏的
例:No doubt castle and cathedral building was not totally barren of profit.
3.barrier n.栅栏(fence):障碍,壁垒(obstacle)
词根记忆:bar(栅栏,障碍)+rier--栅栏,障碍
例:trade bamers贸易壁垒
4.batch n.—批(a quantity( as of persons or things) considered as a group);v.分批处理(to bring together or process as a batch)
联想记忆:bat(蝙蝠)+ch一蝙蝠都是成群生活--一批
例:Some batches of polio vaccine used around 1960 were contaminated with SV40,a virus that in monkeys causes various cancers.
派生词:batcher(n.混凝土材料计量器)
5.battalion n.军营,军队(army)
词根记忆:bat(战斗)+talion --用于战斗的--军队
例:The army policies kept most Black units working in labor battalions.
同根词:battle(n.战争)
6.bead n.小珠子(a small piece of material pierced for threading on a string or wire);(水、血、汗酌)小滴(drop of liquid)
例:The beads are DNA segments wrapped around the histones.
7.beam v.堆满笑容(to smile with joy);n.(光线等的)束,柱(ray or stream of light or other radiation)
联想记忆:be+am--做我自己,成为国家的栋梁一柱
例:In each 30-second period, the beam sweeps through 3.690度.
8.bearer n.搬运工( porter);生育者(one who breeds)
来自bear(v.负荷:运载)
例:child bearer孕妇
9.beckon v.召唤 (to summon)吸引,引诱 (to attract)
例:Employers showed surprisingly little interest in changing that perception, even when higher profits beckoned.
10.beehive n.蜂窝:蜂箱(a hive for bees)
分拆记忆:bee(蜜蜂)+hive(蜂房,蜂箱)--蜂窝,蜂箱
例:A beehives honeycomb cannot have some sections that contain toxic honey and other sections that contain nontoxic honey.
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