高一 下学期 第17课
1/20
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- 释义:
- v. 减少; 下降
n. 减少; 减小
- 构词:
- de向下+crease增长,产生,生长→向下增长→减少
- 例句:
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The demand for tea is on the decrease ( each year ).
茶叶的需求量 ( 逐年 ) 递减. 换一句 -
Last year there was a 20 % decrease in his earnings.
去年他的收入减少了20%. 换一句 -
This shows a slight decrease on the numbers of the previous month.
这表明比前一个月的数目略有减少. 换一句
您还可以临摹下单词:
decrease
2/20
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- 释义:
- v. 限制; 限定
vt. 限制; 减少
n. 限度; 限制; 范围
- 构词:
- lim门槛,限制+it→n.界限, 限度, 限制 v.限制, 限定
- 例句:
-
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
3/20
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- 释义:
- n. 计算
- 例句:
-
Division is a form of computation.
除法是一种运算方法. 换一句 -
The wide application of electronic computers in science and technology will free man from the labour of complicated measurement and computation.
电子计算机在科学技术方面广泛的应用将使人们从复杂的计量和计算中摆脱出来. 换一句 -
Some computers can perform over a billion computation a second.
有些计算机一秒钟能完成超过十亿次运算。 换一句
您还可以临摹下单词:
computation
4/20
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5/20
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6/20
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7/20
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8/20
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- 释义:
- n. 准确性; 准确度; 精密度
- 构词:
- accurate[[adj.正确无误的;准确的,精确的]]→n.准确[性];精确;准确度
- 例句:
-
Convinced of the accuracy of the data, they stuck to their opinion.
由于深信数据准确无误, 他们坚持自己的意见. 换一句 -
She's marvel to be able to shoot with such accuracy.
她的枪法那么好,真不简单. 换一句 -
There is need to check the accuracy of these figures.
有必要核对一下这些数字的精确性. 换一句
您还可以临摹下单词:
accuracy
9/20
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- 释义:
- n. 位(数); 数字; 手指; 足趾
- 例句:
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Her telephone number differs from mine by one digit.
她的电话号码和我的只差一个数字。 换一句 -
The computer can multiply two 10 - digit numbers in 1 / 1000 second.
计算机能在千分之一秒内算出两个十位数数字的乘积. 换一句 -
I cannot see more than that, except beyond plankton is the digit zero.
再往远处我就什么也看不见了.只见浮游生物之外是零这个数字. 换一句
您还可以临摹下单词:
digit
10/20
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11/20
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- 释义:
- vt. 认识到; 体会到
- 构词:
- real真实,现实+ize表动词→v.认识到, 了解, 实现, 实行
- 例句:
-
I didn't realize the intensity of people's feelings on this issue.
我没有意识到这一问题能引起群情激奋. 换一句 -
Only then did he realize that he had been wrong.
直到这时他才知道他错了. 换一句 -
I hope you realize what you're letting yourself in for!
我希望你意识到你给自己揽了多大的麻烦! 换一句
您还可以临摹下单词:
realize
12/20
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13/20
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- 释义:
- n. 健忘
- 例句:
-
The lovers roamed around the fields in complete forgetfulness of time.
这对情侣漫步于田野,完全忘记了时间. 换一句 -
I'msorry I didn't answer your letter - I can only plead forgetfulness.
对不起没有给你回信,对此我只能以忘记作为托词. 换一句 -
He feared she would berate him for his forgetfulness.
他担心,由于健忘又要挨她的训斥了. 换一句
您还可以临摹下单词:
forgetfulness
14/20
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15/20
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- 释义:
- vt. 阻止; 妨碍
- 例句:
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The fence is strategically sited to prevent anyone getting onto the beach.
这个围栏的地点选择得很有策略,可以阻止任何人到海滩上. 换一句 -
To prevent any argument, I'll toss you for who does the washing - up.
为避免争执, 我和你来掷钱币决定谁洗碗碟. 换一句 -
The wood is treated with preservative to prevent decay.
这块木头用防腐剂处理过以防止腐烂. 换一句
您还可以临摹下单词:
prevent
16/20
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17/20
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18/20
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19/20
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- 释义:
- n.
- 例句:
-
Our speed averaged out at 50 km an hour.
我们的平均速度是每小时50公里. 换一句 -
The rate is 10 yuan for the first three kms and 1.6 yuan for each additional km.
收费率是前3公里10元,之后再加一公里收1.6元. 换一句 -
If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.
如果飞行速度超过每秒11公里,宇宙飞船将摆脱地球的引力。 换一句
您还可以临摹下单词:
km
20/20
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