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beak iron
鸟嘴钻,丁字钻
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abyss n. 深渊;深邃,无底洞,地狱
stubbled (作物收割后)有残茎的 有胡茬的
inlay n. 镶嵌;镶嵌物 vt. 把…嵌入,把…镶入
hero n. 英雄;男主角,男主人公
hood n. 头巾;覆盖;兜帽 vt. 罩上;以头巾覆盖 n. (Hood)人名;(英)胡德;(德、荷)霍德
rend vt. 撕碎;分裂;强夺 vi. 将……撕开;使……分离 n. (Rend)人名;(英、匈)伦德
dieback n. [植保] 顶梢枯死
mckenna n. 麦肯纳(姓氏)
autoantibody n. [免疫] 自身抗体;自体抗原
bumblebee n. [昆] 大黄蜂
nanoscience 纳米科学
inverter n. 换流器,[电子] 反相器;倒转者
piglet n. 小猪(尤指乳猪)
mycelium n. 菌丝;菌丝体
hoofprint n. 蹄印
retrofitting n. 改装 v. 改装;对…翻新改进(retrofit的ing形式)
largely adv. 主要地;大部分;大量地
excel vt. 超过;擅长 vi. (在某方面)胜过(或超过)别人
flare-up n. 火焰、光等的骤发或骤燃;怒气(或疾病)的发作;昙花一现式的出名;喧笑
should aux. 应该;就;可能;将要
考试词汇表
effective growing season
effective implementation
effective irrigated area
effective kilogram (ekg)
effective length of bolt
effective length of tube
effective length of weld
effective magnetic field
effective means pressure
effective memory address
effective molecular area
effective mortality rate
effective nuclear charge
effective nuclear radius
effective number of bits
effective overlap period
effective passage throat
effective payment clause
effective picture signal
effective pressure angle