大学英语(第一册) 第24课
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- 释义:
- n. 化学家; 药剂师; 药商
- 构词:
- chem+ist信仰者,专家或人→n.化学家,药剂师
- 例句:
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There's a chemist's shop not a hundred miles from Dumfries.
这儿有一家离邓费利斯不远的药店. 换一句 -
A chemist can separate a medicine into its components.
化学家能把一种药物的各种成分分解出来. 换一句 -
A chemist can isolate the oxygen from the hydrogen in water.
一个化学家能把水中的氧和氢分解. 换一句
您还可以临摹下单词:
chemist
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- 释义:
- n. 生物(学); 生物学; 生态学
- 构词:
- bio生命,生物+ology学科→n.生物学
- 例句:
-
The college biology department has diversified by adding new courses in biotechnology.
该学院生物系通过增加生物技术方面的新课程而变得多样化. 换一句 -
The biology class studied the generation of fruit flies.
生物班的学生研究了果蝇的繁殖. 换一句 -
We went to the Biology class instead of attending the English lesson.
我们去上生物课而不去上英语课. 换一句
您还可以临摹下单词:
biology
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- 释义:
- adj. 复杂的; 难懂的
- 构词:
- complicate使..复杂+ed……的→adj.复杂的, 难解的
- 例句:
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The poem is so complicated that I cannot make out its meaning.
这首诗太复杂,我理解不了它的意思. 换一句 -
This is the most complicated case I have ever handled.
这是我所处理过的最为复杂的案子. 换一句 -
A computer does complicated calculations in a few seconds.
有了计算机,繁复的计算几秒钟就能完成. 换一句
您还可以临摹下单词:
complicated
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- 释义:
- adj. 化学的
n. 化学物; 化学制品; 化学药品
- 例句:
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This chemical acts a part of an acid in our experiment.
这种化学药品在我们的试验中起酸的作用. 换一句 -
A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应的物质. 换一句 -
The wrong chemical balance can cause severe distortion of the photographic image.
化学药水不合比例可引致摄影图像的严重失真. 换一句
您还可以临摹下单词:
chemical
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- 释义:
- n. 反应; 反作用(力); (against)反动; 对抗
- 构词:
- react反应;反抗+ion动作或状态→n.反应, 反作用, 反动[力]
- 例句:
-
Can you gauge what her reaction is likely to be?
你能揣测她的反应可能是什么 吗 ? 换一句 -
Nail biting is often a subconscious reaction to tension.
咬指甲通常是紧张时的下意识反映. 换一句 -
A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应的物质. 换一句
您还可以临摹下单词:
reaction
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- 释义:
- adj. 数学的
n. 数字家; 数学家
- 例句:
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No mathematician is infallible; he may make mistakes, but he must not hedge.
没有一位数学家是一贯正确的; 他可能会犯错误, 但他绝不会回避任何一个问题. 换一句 -
The mathematician is not capable of giving a reason in the same manner as the dialectlcian.
数学家不能够用伦理学家所用的方式进行推理. 换一句 -
A mathematician or a wit would give you the wrong answer.
数学家或才子会给你错误的答案. 换一句
您还可以临摹下单词:
mathematician
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- 释义:
- n. 装备; 设备; 器材; 装置
- 构词:
- equip装备+ment具体物→n.设备,器材,装置;才能
- 例句:
-
They loaded themselves with food, medical supplies, and oxygen equipment.
他们携带了食物 、 医疗器具和氧气设备. 换一句 -
We must fit the expedition out with the best equipment.
我们必须向探险队提供最好的装备. 换一句 -
Recycling of rubbish costs money and requires special equipment.
回收利用垃圾的造价很高,又需要专用设备. 换一句
您还可以临摹下单词:
equipment
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- 释义:
- adj. 最近的; 近日的; 新近的; 近来的
- 例句:
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Recent research has cast new light on the causes of the disease.
最新研究使人们进一步了解了这种疾病的起因. 换一句 -
In recent years our country has placed great importance on economic construction.
近几年来我们国家非常重视经济建设. 换一句 -
His standing as a film director has risen in recent years.
近几年来他作为电影导演的名声渐响. 换一句
您还可以临摹下单词:
recent
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- 释义:
- adv. 智力上; 脑力上
- 构词:
- mental精神的+ly……地→adv.精神上,智力上,在内心
- 例句:
-
He was out of sorts physically , as well as disordered mentally.
他浑身不舒服, 心绪也很乱. 换一句 -
He was so slow that many thought him mentally retarded.
他迟钝得很,许多人以为他智力低下. 换一句 -
She mentally rehearsed what she would say to Jeff.
她在心里复述着要对杰夫说的话. 换一句
您还可以临摹下单词:
mentally
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- 释义:
- n. 局限; 限度
- 构词:
- lim门槛,限制+it→n.界限, 限度, 限制 v.限制, 限定
- 例句:
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The minimum investment is 100 dollars, but the sky's the limit.
投资额最少要一百美元, 没有上限. 换一句 -
During the gambling he could win millions! The sky's the limit!
在这场赌博中他可能赢数百万! 无尽无休! 换一句 -
He must limit the number of cigarettes he smokes.
他必须限制他抽烟的数目. 换一句
您还可以临摹下单词:
limit
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