六级必备词汇 第53课
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- 释义：
- n. 阀，阀门；（心脏的）瓣
- 例句：
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The exhaust valve on my car has burnt out.
我汽车上的排气阀烧掉了. 换一句 -
The feed - pipe is as clean as a whistle, so I'm afraid, if the oil is not getting through to the burner, the valve must be faulty.
送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病. 换一句 -
The abnormality mitral stenosis was in myocardium, not in the valve.
二尖瓣狭窄的病变是在心肌而不是在瓣膜. 换一句
您还可以临摹下单词：
valve
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- 释义：
- n. 类似物
- 例句：
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Analogue computers are generalpurpose devices which employ laws of physics for performing mathematical operations.
模拟计算机是用物理定律进行数学运算的通用装置. 换一句 -
No model can ever be a perfect analogue of nature itself.
任何模型都无法完全模拟自然本身。 换一句 -
With respect to analogue data ; to place it in digital form.
将模拟量数据转换成数字形式. 换一句
您还可以临摹下单词：
analogue
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- 释义：
- n. 部分；节，章；剖面图
- 构词：
- sect切,割+ion表名词→n.章节,部分;地区,部门,科;截面,剖面
- 例句：
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This illustration shows a vertical section through the locust.
本图所示为蝗虫的纵剖面. 换一句 -
A Reading Practice section is added to each unit in Book Two.
在第二册书里每个单元都加上了阅读练习部分. 换一句 -
A section of the city was rubbed out in the earthquake.
这座城市的一部分在地震中遭到毁灭. 换一句
您还可以临摹下单词：
section
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- 释义：
- n. 有效，效力；可信性
- 例句：
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The tests have been shown to be of dubious validity.
这些试验的有效性已显得令人怀疑. 换一句 -
I would question the validity of that assumption.
我会质疑那个假设的正当性. 换一句 -
Shocked by the results of the elections, they now want to challenge the validity of the vote.
选举结果令他们很震惊，他们现在要对选举的可信性提出质疑。 换一句
您还可以临摹下单词：
validity
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- 释义：
- vt. 破裂，裂开；发出爆裂声；重击；打破
- 构词：
- crack破,爆裂→n.裂缝, 噼啪声 v.[使]破裂,爆裂
- 例句：
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The drug is variously known as crack or freebase.
这种毒品的叫法五花八门,有人称为crack,也有人叫它freebase. 换一句 -
You can crack this toughened glass, but you can't break it.
这种韧化玻璃只裂不碎. 换一句 -
For the first time her veneer of politeness began to crack.
她温文尔雅的外表第一次露出破绽. 换一句
您还可以临摹下单词：
crack
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- 释义：
- n. 接替者；替代，替换
- 构词：
- replace代替+ment表名词→n.取代,替换,替换物,代替物
- 例句：
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We are hard put to find a replacement for our assistant.
我们很难找到一个人来代替我们的助手. 换一句 -
They put all the students through the replacement examination.
他们让所有的学生参加分班考试. 换一句 -
The original furnishings are now in need of replacement.
原来的家具陈设需要更换了. 换一句
您还可以临摹下单词：
replacement
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- 释义：
- adj. 负有责任的；对…负责的；有责任心的
- 构词：
- response[n.回答,响应,反应]+ible能……的→adj.[for,to]应负责的;可靠的;责任重大的
- 例句：
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The police are responsible for the preservation of law and order.
警察负责维持法律与秩序. 换一句 -
The police have promised to hound down those responsible for the explosion.
警方已保证要追查此次爆炸事件有责任的人员. 换一句 -
She is responsible for liaison with researchers at other universities.
她负责与其他大学的研究人员联系. 换一句
您还可以临摹下单词：
responsible
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