- 重点词汇
- diseasen. 疾病;弊端;不安;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- isvt.& vi. 是(be的三单形式);
- immune system免疫系统;
- mainadj.主要的;
- defence against防御；保卫;
- ourpron.我们的，we的所有格形式;
- 相关例句
Armed with pikes for good defence against cavalry, but lacking in armour.
他们接受过部分训练,使用长枪,对抗骑兵颇为出色, 但是盔甲简陋.
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The pulmonary macrophages are the body's primary defence mechanism to contain M. tuberculosis.
肺泡巨噬细胞是人体防御肺结核类疾病的基本保障.
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The kind of leader who would leave the country isolated and defenceless.
这种类型的领导人将会使国家处于孤立和毫无防御能力的状态.
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谁也无法锁住天空, 这是大势所趋, 挡也挡不住.
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Often bitten as they sleep, the young ones are defenceless against mosquitoes that carry it.
常常在睡觉时被叮, 年轻者可以使用蚊帐预防它.
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He found himself defending a colony that Britain had left defenceless.
他发现自己在防守一个英国并没有设防的殖民地.
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They are too evenly matched, and their natural defences are too formidable.
它们都势均力敌, 天堑一般的防御条件不可逾越.
英汉文学
Squads of prison officers have been probing the rioters' defences.
几队狱警一直都在探察暴乱者的防卫情况。
《柯林斯高阶英汉双解学习词典》
German figures could be seen working rather leisurely with pick and shovel at their defences.
可以看到德国人在丛林之间悠闲地用大镐和铁铣构筑防御工事.
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In a single day all the outer line of the Dutch defences was mastered.
在一天之内荷兰防御工事的整个外线全部被占领.
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